2026年8月18日

Choosing Between Laser and LED for Wrinkle Treatment

によって NIRA Skin でスキンケアブログ

Laser vs LED for wrinkles is a common comparison, and both treatments can reduce the appearance of wrinkles, but they achieve results in different ways. Laser treatments typically deliver more noticeable improvements for deeper wrinkles, while LED therapy is better suited for gradual improvement and ongoing skin maintenance. The right choice depends on your wrinkle severity, skin type, desired results, and how much downtime you are comfortable with.

The 2025 ASDS Consumer Survey, shared by Practical Dermatology, found that 70% of Americans were considering a cosmetic dermatologic procedure. Mid-face wrinkles emerged as a new leading concern, cited by 73% of respondents. If you're one of them, you've likely landed on the same two options: an in-clinic laser session or an at-home LED device.

Both promise visible results, but they differ in speed, safety, and cost. Choosing the right one starts with understanding how each works on your skin.

What Is the Difference Between Laser and LED for Wrinkles?

Laser delivers concentrated light energy into targeted skin layers, stimulating collagen remodeling. LED uses low-level light to activate natural cellular processes without damaging the skin.

Red light is commonly used because it supports collagen production and repair. Key differences include:

Treatment depth
Energy intensity
Recovery time
Treatment frequency
Speed of results

Laser goes deeper and works faster, but needs more recovery time. LED stays gentle and needs more sessions, with no downtime at all. This trade-off is why LED vs laser skincare options suit different wrinkle concerns.

Is Laser or LED Better for Treating Wrinkles?

The better treatment depends on your wrinkle severity and desired results. Matching the treatment to your concerns matters more than merely choosing the strongest technology.

LED is suitable for fine lines and early signs of aging, working gradually to improve skin quality through consistent use over time. With LED light therapy wrinkles treatment, regular sessions matter more than intensity.

Laser suits more visible, established aging. Its deeper action treats:

Moderate wrinkles
Deep wrinkles
Uneven texture
Sun damage
Skin laxity

This broader reach is where the real laser wrinkle treatment benefits show up, especially when correction, not just prevention, is the goal. Even so, results still fade over time, since collagen naturally declines with age.

Is Laser or LED Safer for Different Skin Types?

The safest treatment depends on your skin type and overall health. A personalized approach can help reduce unnecessary risks.

LED suits most skin tones well, since it uses low-level light without significant heat. It's a common choice for gentle treatment options with little to no downtime, including for:

Sensitive skin
Mature skin
Preventive care
Routine maintenance

Laser requires more customization. The laser type and settings should match your skin tone, pigmentation, and medical history, ideally with a professional assessment.

Comparing Laser and LED by Treatment Experience

Recovery time and commitment often matter as much as the final result. Laser is performed in a clinical setting and may cause temporary redness or peeling while skin heals. Since each session delivers higher energy, fewer sessions are generally required.

LED is comfortable and requires no downtime, with many FDA-cleared devices available for home use. When comparing your experience, consider:

Comfort during treatment
Recovery time
Number of sessions
Convenience
Long-term commitment

Comparing At-Home Devices With Professional Wrinkle Treatments

At-home devices can improve mild wrinkles, but they aren't designed to replace professional laser procedures. Their lower energy levels prioritize safety during regular use.

Professional laser targets bigger structural change under medical supervision. Home LED devices work more gradually, supporting collagen through repeated use. They're best suited for:

Early wrinkle prevention
Collagen support
Maintenance between treatments
Convenient home care

Among today's best wrinkle removal methods, home LED devices work best with consistent, realistic use. They are most effective when regarded as maintenance tools rather than replacements for professional correction. At NIRA, we build our lasers on diode technology developed for professional systems, so you get real clinical rigor in an at-home routine.

What to Look for Before Buying

Not all home devices offer the same quality or clinical backing. Make sure to look for:

FDA clearance
Clinical evidence
Safety features
Easy treatment schedule
Clear instructions

Many people exploring skin rejuvenation techniques prefer home devices because they fit naturally into everyday routines. It's also worth remembering that laser wrinkle treatment benefits vary by device, so reviewing the clinical evidence behind a product helps you set realistic expectations before you buy.

Frequently Asked Questions

Can I Use LED and Laser Treatments on the Same Day?

It's best to space them out. Laser can leave your skin sensitive, and layering LED on top too soon may add unnecessary irritation. Wait at least 24 hours after a laser session before using LED, and always let your skin fully calm down first.

How Soon Will I See Results With Each Method?

Laser tends to show visible change within a few sessions, since it works on deeper skin layers. LED takes longer, with most people noticing gradual improvement after several weeks of consistent use.

This timeline is typical of most skin rejuvenation techniques built around cumulative light exposure rather than a single intense treatment. Skipping sessions with LED specifically slows progress more than it would with laser, since consistency is what drives its results.

Is LED Therapy Safe During Pregnancy or While on Medication?

LED is generally considered low-risk, but it's still worth checking with your doctor first. This matters especially if you're on medications like retinoids or isotretinoin, which can make your skin more reactive. Hormonal changes during pregnancy can also affect how your skin responds to any new treatment, even a gentle one.

Laser vs LED for Wrinkles: Find Your Best Match

There's no universal winner in the laser vs LED for wrinkles debate, only the option that fits your skin and comfort with downtime. Laser delivers faster correction, while LED offers gradual, lasting improvement. Either way, understanding how each works puts you in control.

At NIRA, we believe skincare should effortlessly inspire confidence. Founded by laser expert David Bean, we bring decades of professional dermatology laser experience to your home. Designed, engineered, and manufactured in the USA, our non-fractional laser technology holds 19 international patents and FDA clearance, delivering clinical-grade results without pain, redness, or downtime.

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間違いなくアップグレード

まだ使い込んでいないので、本当に素晴らしいかどうかは分かりませんが、額のシワにプレシジョンプロを使った時は、ボトックスなしでも大丈夫だと感じました。こちらは使い心地がずっと良くて、より短時間でより広範囲にカバーできます。なので、アップグレードにとてもワクワクしています。シャンパンカラーも気に入っています。メリークリスマス！

フレンチランドリー

2026年2月23日

NIRA Pro レーザー（第2世代）

第2世代

第2世代を数ヶ月使っています。以前のバージョンより明らかにパワーアップしています。とても気に入っています！タイミングも正確で、ビープ音が鳴ったら次のセクションに進みます。生活に合わせて1日に1～2回使っています。本当に使い方が簡単です。プレシジョンと併用しています。写真のようにシャンパンカラーがもう少し濃いと思っていたのですが、とても素敵です。

スーザン

2026年2月22日

NIRA Pro レーザー（第2世代）

価値がある！

ニラと美容液をほぼ1年間毎日使っています。65歳ですが、ニラのおかげで55歳くらいに見えるくらいです！

アン

2026年2月15日

NIRAスキンケアバンドル

私は最初のバージョンのデバイスを約2年間使用しました

最初のバージョンを約2年間使っていました。とても気に入っていました。正常に動作しなくなったときは本当にがっかりしました。でも、新しいバージョンを見つけてすぐに注文しました。もう手放せません。

ヤマワジニ

2026年2月14日

NIRA Pro Laser (2nd Gen) & Skincare Bundle

NIRA Pro レーザー（第2世代） & スキンケアバンドル

忙しい女性にとって、簡単、効果的、そしてすぐに使える！ 💖

Nira Precisionレーザーは本当に気に入っています！素早く効果的な治療にとても感動しています。目の下のシワやたるみのケアが、これまで以上に簡単になりました。使ってみて効果を実感できて嬉しいです。本当に気に入っているので、ぜひおすすめします！ 😍 割引コード：VIVIAN10を使用して節約しましょう！

ヴィヴィ

2026年2月10日

NIRA精密レーザー

お金の価値がある

2ヶ月前に迷いながら購入し、愛用しています。目尻のシワや小じわ、特に目尻のシワが目立たなくなってきたのが分かります。3～6分間隔で使用しています。使い方も簡単で、旅行にも持っていきやすいです。

ラムヤ

2026年2月9日

NIRA精密レーザー

ついに目のシワを治療できるようになりました！

Niraレーザーが大好きです！Nira Precisionは、緊急で治療が必要だった目の下のシワに効果抜群です。レーザーの照射速度がとても速く、使い方も簡単なので、両目を数分で治療できました。Pro Laserはプロ仕様で、より強力です。首のシワにも使っています！割引コードVIVIAN10を使えば、さらにお得に購入できます！

ヴィヴィ

2026年2月8日

NIRAレーザーバンドル

これ大好き!! 投資する価値は絶対にあります。機能も良く、使い方も簡単です。

この製品が大好きです！効果があって使いやすく、結果を追跡して確認するのも楽しいです。投資する価値あり！もう1台のNiraレーザーが届くのが待ちきれません。

クリスティン・ライリー

2026年2月1日

NIRA精密レーザー & スキンケアバンドル

1 か月後の結果に満足しています!

NIRA Proレーザーが大好きです & スキンケアバンドル！ ✨ このデバイスは高品質で使いやすく、すでに肌の変化に気づいています。

ヴァル

2026年1月31日

NIRA Pro レーザー（第2世代） & スキンケアバンドル

AI推奨ヒアルロン酸

ヒアルロン酸をおすすめしました。ヒアルロン酸は体内で自然に生成される糖分子で、主に肌、目、関節に存在し、自重の1000倍もの水分を保持することができます。そのため、小じわにハリを与えてくれます。私には効果がありました！軽くて、さっぱりとした使い心地です。

匿名

2026年1月30日

NIRA Moisture-Lock Hyaluronic Acid Serum

NIRA モイスチャーロックヒアルロン酸セラム

まぶたが垂れた目に最適です！

NIRA Propを使い始めてまだ40日ですが、すでに目のクマが改善し始めています。90日後の効果を見るのが楽しみです。ただ一つ言えるのは、3分以上かかるということです。私の顔だと9分くらいかかります…。

パットR

2026年1月27日

NIRA Pro レーザー（第2世代）

旅行用のキャリーバッグが気に入りました！Niraデバイス、

旅行用のキャリーバッグが気に入りました！Niraデバイス、充電器、製品がすべて1つのキャリーケースに収まります。ニラは期待を裏切りません！

匿名

2026年1月25日

NIRA アルティメットキャリーバッグ

商品はすぐに発送され到着しました。

商品はすぐに発送され、到着しました。3週間の治療後、まぶたのたるみは目に見えて改善しました。

匿名

2026年1月20日

NIRA アルティメットバンドル

私はNira Pro 2nd Genが大好きです

Nira Pro 2nd Genが本当に気に入っています。初代も持っていますが、こちらの方がはるかにパワフルです!!!

バマリデ

2026年1月20日

NIRA Pro レーザー（第2世代）

あと数週間で80歳になります。

あと数週間で80歳になります。神のご加護があれば。この製品は眉間のしわを本当に薄くしてくれました。

エスティ

2026年1月19日

NIRAスキンケアバンドル

2026年8月21日

NIRA 2019 Clinical Study

Clinical evidence · 7-month study · 76 participants Every at-home skincare device promises results. Very few of them have been handed to a group of strangers, used every day for four months, and then photographed and graded by independent clinicians who had no idea which photo came first. Ours has. In 2019, our clinical team ran a seven-month study on the NIRA Skincare Laser to answer one question as honestly as we could: does a low-power, at-home 1450nm laser actually reduce the appearance of wrinkles? Here's what the study found — the good, the modest, and the caveats. How the study was designed Seventy-six participants between the ages of 35 and 65 enrolled. They used the NIRA laser at home, once a day, around the eye area (the periorbital region — where fine lines tend to show up first and are hardest to treat). Treatment ran for 16 weeks. Then participants stopped using the device entirely and were followed for another 12 weeks, so we could see whether results held. Total study length: 28 weeks. Sixty-seven participants completed every protocol requirement. The part that matters most: results weren't graded by us. High-resolution photographs were taken at every clinic visit by a professional photographer under identical studio lighting. Those photos were then scored on the Fitzpatrick Wrinkle Scale by three independent clinicians who were not involved in the study — shown the images in randomized order, blinded to which photo was taken before treatment and which was taken after. That design is deliberately unflattering to us. It removes the two things that make most before-and-after marketing meaningless: cherry-picked photos and graders who know what they're supposed to see. What the study found Across the study, the blinded evaluators recorded a median improvement of a full point on the Fitzpatrick Wrinkle Scale, with a p-value of less than 0.0001. In plain terms: the improvement was statistically significant, not a rounding error, and not chance. One point on the Fitzpatrick scale is a real, visible category shift — not a subtle tweak only a machine could detect. Broken out by how long people had been treating: Time point Improved at least 1 full point Improved at least 2 full points 3 months 61% of participants 12% of participants 7 months 69% of participants 36% of participants At the 7-month mark, 10% of participants had improved by three full points on the scale. Two things stand out there. First, most participants who responded were already seeing a measurable change at three months. Second, the people who kept going kept improving — the 2-point group tripled between month three and month seven. The finding we didn't expect Remember that participants stopped treatment at week 16 and were simply observed for the following three months. The three blinded clinicians found that 81% of participants were still showing improvement in the appearance of wrinkles at least two months after they stopped using the device, and 68% were still showing improvement at least three months after stopping. Results didn't snap back the moment the device went in a drawer. Why low power is the point, not a compromise It's fair to ask how a handheld device does anything a clinic laser does. The NIRA laser uses the same 1450nm wavelength found in professional non-ablative systems — a wavelength absorbed by water in the skin, which lets it reach the dermal layer where collagen lives, while leaving the surface of the skin intact. The difference is the energy. Professional 1450nm treatments in published trials typically deliver between 7.0 and 20.0 J/cm². NIRA delivers 2.5–3.0 J/cm². That's by design. Our Precision Protein Promotion (P3) technology warms the dermis past the threshold that triggers heat-shock protein generation — the skin's own collagen remodeling response — while staying below the roughly 45°C point where treatment starts to hurt. The laser heats quickly, then dynamically lowers its own output to hold temperature in that window. Most clinic and at-home lasers take the opposite approach: high energy on about 10% of the skin in a dot-matrix pattern, deliberately damaging small zones and letting the surrounding tissue heal them. It works, but the localized pain and redness are exactly why a lot of people never book the appointment twice. NIRA is non-fractional and single-pass: gentle, even warmth across the whole treatment area, in a short daily session. What about safety? The study reported no unanticipated or severe adverse events. A small minority of participants reported skin warmth, minor stinging, dryness, and temporary darkening of skin color — all anticipated, all temporary. The study also found no data showing adverse events attributable to Fitzpatrick skin type V or VI. Participants were instructed to set the power level (1 through 5) so that treatment felt warm without any pain. And did people actually like using it? Efficacy is only half of whether a daily-use device works. If it's a chore, it ends up unused. From the anonymous participant satisfaction survey: 99% found the NIRA laser easy to use 87% said they enjoyed using it The large majority said they would recommend it to a friend The honest summary The 2019 study did not find that NIRA erases wrinkles, and we won't tell you it does. What three independent, blinded clinicians did find is that a low-power 1450nm laser, used at home in a short daily session, produced a statistically significant, visible reduction in the appearance of periorbital wrinkles for the majority of participants — without the pain, downtime, or cost of a clinic appointment — and that those results largely held for months after treatment stopped. The consistent variable was consistency. The people who used it daily, and kept using it, saw the biggest change. Ready to start your own four months? Best Seller NIRA Pro 3 Laser Full face, neck & chest $699.00 Add to Cart See full details & reviews Read the full clinical paper We're publishing the study in full rather than summarizing it and asking you to take our word for it. Every figure quoted above appears in the source document. Bean, D., Huang, Z., Feldchtein, F., & Govoni, K. (2019). Non-Fractional Dynamic Treatment of Wrinkles with Low Power, Single-Pass 1450nm Handheld Laser. Dermal Photonics Corp. (NIRA Brand), January 20, 2019. Download the 2019 clinical paper (PDF) Individual results vary. All figures cited are outcomes observed among participants in the 2019 clinical study described above and are not a guarantee of individual results. The NIRA Skincare Laser is FDA-cleared and intended for the temporary reduction in the appearance of fine lines and wrinkles. Not intended to diagnose, treat, cure, or prevent any disease.

さらに詳しく

Women using the NIRA Pro laser on her face

2026年8月19日

How To Revitalize Your Skin with the Best Home Laser for Wrinkles

Reducing the appearance of fine lines at home is more achievable than ever thanks to advances in laser technology. The best at home laser for wrinkles can stimulate collagen production, improve skin texture, and gradually soften visible signs of aging when used consistently alongside sunscreen and a well-rounded skin care routine. Features such as adjustable settings, built-in safety mechanisms, and compatibility with different skin types can make a significant difference in both comfort and results. Have you started noticing crow's feet, forehead lines, or changes in your skin's firmness? Interest in these treatments continues to grow, with the laser and light segment accounting for approximately 60% of the U.S. home-use beauty device market in 2024. Understanding how a home laser for anti-aging works can help you choose a device that fits both your skin care goals and your daily routine. How Home Laser Technology Works Home laser treatments work by directing controlled energy beneath the skin's surface. That energy triggers natural repair processes and encourages the body to create more collagen and elastin over time. Several factors determine how well a treatment works: Collagen and elastin production Cellular renewal Lasers and IPL technology Gradual improvement over time Collagen and Elastin Production Collagen gives skin structure and firmness. Elastin helps skin stretch and return to its original shape. Production of both substances slows as people age. A home laser for anti-aging gently heats deeper layers of skin. In response, the body starts building new collagen fibers. Cellular Renewal Skin naturally sheds old cells and replaces them with new ones. That process becomes slower with age. Regular treatment can encourage faster renewal and improve overall skin texture. Many people notice that their skin feels smoother long before wrinkles begin to soften. Lasers and IPL Technology Lasers and intense pulsed light devices work differently. A laser uses a concentrated beam of light that targets a specific area. IPL devices distribute broader wavelengths across the skin. Some people prefer one method over the other, depending on their goals and skin sensitivity. Gradual Improvement Over Time An effective wrinkle removal laser rarely produces immediate results. Collagen development takes time. Most users begin seeing changes after several weeks of regular treatments. Continued use often leads to firmer skin and a more even appearance, which is why many people consider these devices a valuable laser device for youthful skin. What Features Should You Look for in the Best At Home Laser For Wrinkles? Skin responds differently from one person to another. Adjustable settings let users begin at a lower level and gradually increase intensity. This approach can reduce irritation and create a more comfortable experience. Skin Tone Compatibility Not every top laser for skin rejuvenation works equally well on every skin tone. Some devices use technology designed for a wider range of complexions. Reading the manufacturer's recommendations can prevent unwanted side effects and improve results. Safety Mechanisms Modern devices often include built-in safety features. Skin sensors are a common example. These sensors check skin contact before activating the device. Protective eyewear may also be recommended. Treatment Speed Treatment time matters when creating a routine that lasts. Larger treatment heads cover more surface area in less time. Faster sessions can make it easier to remain consistent from week to week. FDA Clearance Many buyers look for products that have received FDA clearance. Although this does not guarantee perfect results, it shows that the device has undergone testing for safety and performance. Device Durability A well-made home laser for anti-aging should maintain consistent performance throughout repeated use. Durable construction can protect your investment and improve the overall treatment experience. Areas of the Face and Body That Can Benefit Most From Treatment Repeated facial movements gradually create horizontal lines across the forehead. These wrinkles often become more noticeable as collagen production slows. Consistent treatment may soften their appearance and improve skin texture over time. Crow's Feet The delicate skin around the eyes is especially vulnerable to aging. Frequent smiling and squinting can deepen these small lines. An effective wrinkle removal laser may reduce their appearance when used according to the manufacturer's instructions. Fine Lines Around the Mouth The skin surrounding the mouth constantly moves throughout the day. Over time, those repeated motions can create visible creases. Gradual collagen development may make the area appear smoother and firmer. Neck Concerns The neck is often overlooked during daily skin care routines. Thinner skin in this area may lose elasticity more quickly. Regular treatment can improve the overall appearance of the skin. Uneven Skin Texture and Mild Discoloration A laser device for youthful skin may also improve rough patches and minor changes in skin tone. Results vary from person to person, but consistency often remains the most important factor. Frequently Asked Questions How Long Does It Take to See Results From Home Laser Treatments? Most people notice gradual changes instead of immediate improvements. Early changes in skin texture may appear within several weeks. Deeper wrinkles often require more time. Age, skin condition, treatment frequency, and the type of device all influence the process. Consistency usually plays the biggest role in determining long-term results. Are Home Laser Devices Safe for Sensitive Skin? Many devices include settings designed for sensitive skin. Starting with the lowest intensity level is often a wise approach. A patch test can identify irritation before a full treatment session begins. People with certain skin conditions should also consider speaking with a dermatologist before beginning treatment. Better Skin in 2026 Choosing the best at home laser for wrinkles involves more than comparing prices or features. Success depends on selecting the right device, following a consistent routine, protecting your skin, and maintaining realistic expectations. At NIRA, we're changing the way people approach skin care by bringing professional-grade laser technology into the home. Designed, engineered, and manufactured in the United States, our FDA-cleared, clinically proven devices deliver measurable results in just a few minutes a day. As the creators of the world's first painless at-home laser technology, we combine patented innovation, convenience, and more than 19 international patents to make advanced skin care more accessible, comfortable, and affordable. Get in touch today to find out how we can help with your skin health.

さらに詳しく

2026年8月19日

LED Mask vs NIRA Laser: A Profound Difference

The technology looks similar — light, applied to the face, at home, without needles. They are not similar. One raises the temperature of your dermis into the narrow band where collagen renewal is triggered. The other does not raise it at all. Here is what four clinical studies, one independent peer-reviewed trial, and the underlying physics have to say about the difference between LED masks and the NIRA non-fractional laser technology. Same category. Different physics. Very different results. If you only read one thing, read this table. Everything below is the evidence behind it. 93% of NIRA subjects showed measured wrinkle improvement 10% of TheraFace Mask Glo subjects did, in the 2025 LED study 2 min daily NIRA session, versus 12 minutes for a mask 500× more power density at the skin surface At a glance — LED light therapy masks vs the NIRA 1450 nm laser LED masks NIRA laser Light source LED arrays, 620–850 nmRed, near-infrared, sometimes blue Laser diode, 1450 nmSingle wavelength, collimated Absorbing target Cytochrome c oxidase in mitochondria Water in the dermal matrix Mechanism Photobiomodulation — a biochemical nudge Photothermal — heat-shock protein cascade Peak dermal temperature ~35°C below any thermal threshold up to 45°C inside the 39–45°C HSP window Power density 0.025–0.070 W/cm² 12.5 W/cm² Session length 9–15 minutes 2–3 minutes FDA clearance for wrinkles Mostly cleared without wrinkle-specific trials Cleared, K163167 & K222685 Blinded-grader wrinkle evidence Independent trial found no significant difference Significant at every post-baseline visit Best-supported benefits Radiance, tone evenness, acne, inflammation Wrinkles, firmness, texture, dark circles Typical price $269–$2,700 $449–$649 Two different physics The 39–45°C window Why power density decides everything What NIRA's studies found What Therabody's studies found Head to head The independent evidence Time, dose and cost Where LED genuinely wins The verdict Questions References 01 — Mechanism Two different physics wearing the same marketing language Both technologies are sold as “light therapy.” Both are painless. Both are used at home. That is where the similarity ends, because they are trying to do fundamentally different things to your skin. LED Mask: Photobiomodulation An LED mask floods the face with red (around 630–660 nm) and near-infrared (around 830–850 nm) light. Those photons are absorbed by cytochrome c oxidase, an enzyme in the mitochondrial respiratory chain. The proposed effect is a modest uptick in cellular ATP production and a shift in reactive oxygen signalling — a biochemical nudge toward better cell function. Crucially, this is an athermal process. It is designed not to heat tissue. LED mask surface temperatures top out around 35°C, which is roughly the temperature of your face on a warm day. NIRA: Photothermal collagen induction NIRA does something categorically different. At 1450 nm, the dominant chromophore is not an enzyme — it is water, which makes up the bulk of the dermal matrix. 1450 nm sits on a local absorption peak of water, which means the energy is deposited in the upper dermis rather than passing through it. That deposition raises dermal temperature above 39°C, and above 39°C fibroblasts begin producing heat-shock proteins. The HSP cascade is what signals the body to lay down new collagen and remodel the existing matrix. It is the same mechanism a dermatologist's 1450 nm Candela Smoothbeam relies on — delivered in daily sub-pain-threshold doses instead of one painful monthly session. Why 1450 nm. Absorption coefficients for water, melanin and oxyhaemoglobin across the spectrum. At 1450 nm water absorption peaks while melanin and haemoglobin absorption is very low — energy goes into the dermal matrix rather than into pigment or blood vessels. That is also why NIRA is safe across all Fitzpatrick skin types. Red and near-infrared LED wavelengths (630–850 nm) sit in the low-absorption “optical window,” where light passes through tissue rather than depositing energy in it. This is the point most comparisons miss. Red and near-infrared light actually penetrates deeper than 1450 nm does — that is exactly why it sits in what physicists call the optical window. But penetration without absorption is not treatment. Light that passes through the dermis leaves nothing behind. WHERE THE LIGHT GOESDepth is not the differentiatorEpidermis0 – 0.1 mmDermis0.1 – 2 mmSubcutisbelow 2 mmSKIN SURFACE1450 nmNIRA laser12.5 W/cm²dermis → 44°C630–850 nmLED mask0.025–0.07 W/cm²dermis → 35°CRed and near-infrared light actually travels deeper into tissue than 1450 nm does. That is not the point.1450 nm sits on a water absorption peak, so its energy is dumped in the collagen-rich dermis instead of passing through it. Depth is a red herring. Both wavelengths reach the collagen-rich dermis. The difference is what happens when they get there: 1450 nm is absorbed and converted to heat in the dermal matrix, while 630–850 nm largely passes through at a power density far too low to change tissue temperature. 02 — The therapeutic window Everything comes down to a six-degree band Human skin has two temperatures that matter for collagen renewal. At roughly 39°C, dermal fibroblasts begin expressing heat-shock proteins, which trigger procollagen type I and III synthesis. At roughly 45°C, thermal nociceptors fire and the treatment becomes painful; push further and you cause frank thermal injury, which is what produces the erythema and downtime of professional resurfacing. The entire engineering problem of at-home laser skincare is landing inside that six-degree band and staying there long enough to matter. NIRA's dynamic fluence modulation does exactly this: it drives power hard to climb quickly, then throttles back to hold the dermis just under 45°C, keeping tissue above the HSP threshold for three-plus seconds per pulse from a sub-one-second treatment. THE ONLY QUESTION THAT MATTERSDoes the device get the dermis into the 39–45°C window?NO COLLAGEN SIGNALHSP WINDOWPAIN · INJURY · DOWNTIME31°35°39°45°50°55°60°39°C heat-shock protein threshold45°C pain thresholdSkin at restLED masksTheraFace · LYMA · NuFACENIRA 1450 nmnon-fractionalFractional lasersTria · CandelaPeak dermal temperature reached during one treatment.Below 39°C nothing signals collagen renewal. Above 45°C the treatment starts to hurt. The band that decides the outcome. Where each technology lands on peak dermal temperature. LED masks sit at roughly 35°C — comfortably outside the window in which any collagen signalling occurs. Professional and home fractional lasers overshoot past 60°C, which is why they work but hurt. NIRA is engineered to sit inside the window deliberately. The pulse shape. A fractional laser spikes past 55°C into cellular necrosis and falls away. The NIRA profile climbs fast, then holds a plateau between the HSP threshold and the pain threshold. Same destination — new collagen — reached by controlled stress rather than injury. The trick is to deliver the same energy as the dermatologist, but in lower daily doses, at a level below the pain threshold. David Bean, Founder & CEO, NIRA Innovations An LED mask cannot execute this strategy, and not because of poor engineering. It is a consequence of the wavelength and the power budget. Which brings us to the number that explains the whole comparison. 03 — Power density Joules are not the metric. Watts per square centimetre are. Here is a genuinely counterintuitive fact: over a full session, an LED mask can deliver a comparable number of joules to a NIRA treatment. An LG LED mask at 0.025 W/cm² running for nine minutes delivers about 13 J/cm². A NIRA treatment delivers about 3 J/cm² per spot. On a pure energy basis, the mask wins. It still does nothing for wrinkles, and the reason is rate. Living tissue is actively cooled by blood perfusion. Deliver energy slowly enough and circulation carries the heat away exactly as fast as it arrives, so tissue temperature never rises. To heat tissue you must deposit energy faster than the body can remove it. That is a question of power density, not total energy — and on power density the gap is not close. POWER DENSITY — WATTS PER CM², LOG SCALEEnergy alone is not enough. Rate is what heats tissue.0.010.11101001000NIRA 1450 nm laser12.5In-office fractional90Tria home fractional830Silk'n LED + RF0.070LG LED mask0.025500×A NIRA pulse delivers its 3 J/cm² in 0.8 seconds. An LED mask needs 9 to 15 minutes to deliver comparable joules —slowly enough that blood flow carries the heat away as fast as it arrives. Three orders of magnitude. Power density at the skin surface, on a logarithmic scale. NIRA sits at 12.5 W/cm²; LED masks operate between 0.025 and 0.070 W/cm². The professional and home fractional lasers above NIRA achieve their effect by overshooting into injury. Source: NIRA competitive technology analysis, manufacturer published specifications. The core asymmetry A kettle and a candle can deliver the same joules. Only one boils water. Leave a candle under a pot all afternoon and you will transfer an enormous amount of energy into the room. The water never boils, because heat leaves the pot as fast as the candle adds it. This is precisely the relationship between an LED mask and a laser at the level of the dermis. An LED mask is not a weak laser. It is a different instrument attempting a different job. It should be judged on the outcomes photobiomodulation can plausibly produce — and, as we cover below, there are several real ones. 04 — The NIRA evidence Two studies, seven years apart, under the same investigator NIRA has run two clinical studies of its non-fractional 1450 nm platform, both supervised by Dr. David Greenstein. The 2019 study tested periorbital treatment; the 2025 study extended to the full face with the M2.1 device. Both ran 28 weeks: 16 weeks of daily treatment followed by a 12-week observation period with no laser use at all. NIRA clinical study designs 2019 study 2025 study Treatment area Periorbital only Full face Enrolled / completed 76 / 67 60 / 51 Per-protocol population 67 48 Duration 28 weeks 28 weeks Spot size 4 × 4 mm 19.07 × 15.08 mm Fluence 2.5–3.3 J/cm² 1.37–4.88 J/cm² Daily protocol 40–60 pulses per eye ~80 pulses, full face Primary endpoint Fitzpatrick Wrinkle Scale, three independent blinded clinicians, randomised baseline vs endpoint ≥1 point FWS improvement 68.7% (46/67) 58% (28/48) — 67% in the FWS≥5 subset Statistical significance p < 0.0001 p = 0.018 (t-test and Wilcoxon) Serious adverse events None reported in either study Results continued improving after treatment stopped This is the finding that most distinguishes a collagen-remodelling mechanism from a cosmetic one. Participants stopped using the laser at Week 16. Their wrinkle scores kept improving through Week 28. That is the signature of a structural change in the dermis rather than a temporary surface effect — new collagen takes months to organise and mature. NIRA M2.1 · 2025 STUDY · BLINDED CLINICIAN GRADINGResults keep improving after the laser is put away0%20%40%60%80%31%6%2%Week 846%6%4%Week 1263%19%2%Week 1669%29%8%Week 28daily laser use ends at Week 16≥1 point≥2 points≥3 pointsimprovement on the Fitzpatrick Wrinkle ScalePer-protocol population, n=48. Weeks 20–28 are follow-up visits with no treatment at all. The curve keeps climbing. Percentage of per-protocol subjects (n=48) achieving 1, 2 and 3 full-point improvements on the Fitzpatrick Wrinkle Scale. Daily treatment ends at Week 16; Weeks 20–28 involve no laser use whatsoever. Two-point improvements rise from 19% to 29% during the untreated follow-up. Source: NIRA 2025 clinical study. The 2019 study saw the same pattern: three independently blinded professionals found that 81% of participants continued to improve for at least two months after stopping, and 68% continued improving for at least three months. Wrinkles were not the only endpoint The 2025 study measured nine skin-quality parameters using VISIA complexion imaging, Delfin instrumental firmness and elasticity measurement, and AI-based photographic analysis. NIRA M2.1 · 2025 STUDY · BASELINE TO WEEK 28Wrinkles are the headline. They are not the only result.SHARE WHO IMPROVEDAVERAGE CHANGE IN THOSE WHO IMPROVEDWrinkles93%21%Firmness82%13%Eye bags78%12%Dark circles78%12%UV spots76%21%Acne67%50%Porphyrins62%48%Skin age56%11%Age spots39%26%iPhone AI image analysis and VISIA complexion analysis.Left: share of subjects improved. Right: mean change among those subjects. Nine endpoints, one treatment. Left: proportion of subjects showing improvement from baseline to Week 28. Right: average magnitude of change among those who improved. Note that acne and porphyrins show the largest magnitude changes — consistent with the published literature on 1450 nm diode lasers for sebaceous conditions. Source: NIRA 2025 clinical study, Figures 10 and 11. Study participants, baseline and Week 28. Left: periorbital region, showing reduction in crow's feet depth and density alongside improved texture and tone. Right: full-face standardised photography from the 2025 study. Photographs were taken under controlled lighting; blinded graders scored randomised, unlabelled pairs. NIRA 2025 study — participant-reported outcomes Survey item % agree App easy to use and intuitive 100% Device easy to use 99% App reliable and stable 98% Would continue as a daily routine 95% Would recommend NIRA to others 92% Felt their skin had improved 91% 05 — The LED evidence Therabody ran the same study twice. The results moved sharply. Therabody deserves credit here. Most LED mask brands publish no wrinkle-specific clinical data at all. Therabody has published two studies and made the results public — which is precisely what makes them the most useful LED comparator available. The 2023 study evaluated the TheraFace Mask in 31 subjects over 12 weeks. The 2025 study evaluated the TheraFace Mask Glo in 104 subjects over 12 weeks — described by the company, accurately, as the largest clinical study of any LED mask on the market. Same brand. Same duration. Same category of graded endpoint. THERABODY 2023 (n=31) VS THERABODY 2025 (n=104)What happened when the same study ran on three times as many peopleFull-face fine linesaverage change17.7%2023n=314%2025n=104↓ 77% smallerFull-face wrinklesaverage change10.8%2023n=312.8%2025n=104↓ 74% smallerSubjects improvingon wrinkles71%2023n=3110%2025n=104↓ 86% smallerSame brand, same 12-week design, same graded endpoints — only the sample size changed.Small samples produce large effects. Larger ones tend to produce the truth. What replication at scale did to the effect size. Therabody's 2023 study (n=31) against its 2025 study (n=104). Wrinkle improvement fell from 10.8% to 2.8%, and the proportion of subjects showing measured wrinkle improvement fell from 71% to 10%. Sources: Therabody published clinical summaries, 2023 and 2025. This pattern is familiar to anyone who reads clinical literature. Small samples produce large, unstable effect estimates; larger samples regress toward the true value. The 2025 study is the better estimate, and it is Therabody's own. It is also the number NIRA uses in every comparison below, because using the weaker 2023 figure would flatter the LED case with the less reliable data. Therabody TheraFace Mask Glo — 2025 study, 104 subjects, 12 weeks Endpoint Average change Subjects improving Radiance and luminosity +25.4% 84% Skin texture smoothness +22.9% — Firmness (expert clinical grading) +13.5% 87% reported Skin tone evenness +11.0% 75% Visible skin sagging −10% — Full-face fine lines +4.0% 80% reported Wrinkle width +2.8% 10% Read that table carefully, because it tells a coherent and honest story about what LED does well. The strongest results are radiance, texture and tone — surface and pigmentary qualities. The weakest result by a wide margin is wrinkle width, the endpoint most directly tied to dermal collagen architecture. That is exactly the pattern the underlying physics predicts. A treatment that never heats the dermis produces limited structural change in the dermis. 06 — Head to head Both brands' 2025 studies, on the same question Comparing the most recent, largest study from each brand on their respective wrinkle endpoints: 2025 STUDY VS 2025 STUDY · WRINKLE ENDPOINTSNIRA M2.1 laser vs TheraFace Mask GloSubjects whose wrinkles measurably improved93%NIRA10%TheraFace Glo9.3×differenceAverage size of that improvement21%NIRA2.8%TheraFace Glo7.5×differenceLeft: proportion of the study population showing any measured wrinkle improvement. Right: average magnitude of change on each study's own graded wrinkle endpoint. 2025 versus 2025. NIRA M2.1 (AI image analysis, baseline to Week 28) against TheraFace Mask Glo (wrinkle width, baseline to Week 12). See the caveats immediately below regarding instrument differences. Two separate factors drive the difference, and it is worth separating them because they mean different things to a prospective buyer. The first is how likely you are to respond at all. The second is how much change you get if you do. Multiplying them gives the expected effect across a population of users. HOW THE 70× FIGURE IS BUILT9.3×more peoplerespond at all93% vs 10%×7.5×more changein each responder21% vs 2.8%=70×combined effect acrossthe treated population9.3 × 7.5Population-level effect = share of people who respond × size of each response.Both factors come from each brand's own 2025 study. See the caveats below — these are not identical instruments. Where the 70× figure comes from. It is not a single measurement — it is the product of two: a 9.3× difference in responder rate and a 7.5× difference in the magnitude of response. What this comparison can and cannot claim Intellectual honesty matters more than a large number, so here is the fine print in full. These are two independent studies, not a head-to-head randomised trial, and they differ in ways that matter: Different instruments. NIRA's 93% / 21% figures come from AI-based photographic analysis and VISIA imaging. Therabody's 10% / 2.8% come from their expert clinical grading of wrinkle width. These are not the same measurement scale. Different durations. NIRA's endpoint is Week 28 after 16 weeks of treatment. Therabody's is Week 12. NIRA's own data show results still climbing between Week 12 and Week 28, so a Week-12-to-Week-12 comparison would narrow the gap. Different populations. NIRA's 2025 cohort had a median age of 64 and required baseline FWS ≥ 4. Therabody's inclusion criteria differ. Different sample sizes. Therabody's 104 subjects exceed NIRA's 48 per-protocol population. What the comparison does support: on each brand's own chosen wrinkle endpoint, measured by that brand's own methodology, the difference in outcome is very large and is directionally consistent with the mechanism. A precise multiplier of 70 should be read as an order-of-magnitude statement, not a measured constant. 07 — Independent evidence What happened when neutral dermatologists graded LED blind Manufacturer studies — including NIRA's — carry an obvious structural interest in their own results. So the most valuable evidence in this entire comparison comes from neither company. In 2017, Nam and colleagues at Dankook University published a prospective, randomised, double-blinded comparative clinical trial in Dermatologic Surgery, evaluating 660 nm red LEDs against 411–777 nm white LEDs for facial wrinkles. 52 adult women were irradiated daily for 12 weeks. It was funded by a Korea Health Industry Development Institute grant, not by a device manufacturer. Figure 5, Nam et al. 2017. Periocular wrinkle grades assessed by independent dermatologists using randomised clinical photography, right and left sides. Baseline versus 12 weeks, white LED and red LED. The bars are, for practical purposes, unchanged. Instrumented skin-replica measurement did detect statistically significant change from baseline. But in the arm that most closely reflects what a user actually sees — blinded dermatologists grading randomised before-and-after photographs — the authors report: “no significant differences were observed in both groups.” There are a few LED studies that actually did blinded reviews. Those that did showed no improvement. Whether white LED or red LED, it didn't matter. David Bean · Stockholder briefing, June 2026 This is the single most important methodological point in the whole comparison. Instrumented measurements of surface topography can register changes that no human observer can see. Blinded photographic grading by independent clinicians is the harder test, and it is the standard NIRA's own primary endpoints were held to in both 2019 and 2025 — where the result was statistically significant improvement at every post-baseline visit. 08 — Time, dose and cost The compounding argument A single professional 1450 nm session delivers roughly 18 J/cm² and then you wait a month. NIRA delivers roughly 3 J/cm² a day. Over a month that is 90 J/cm² — about five times the dermal energy of a professional visit, spread thin enough that it never crosses into pain or downtime. CUMULATIVE DOSE DELIVERED TO THE DERMIS, PER MONTHDaily small doses beat one big oneNIRA — daily at home3 J/cm² × 30 days90 J/cm²In-office fractional — monthly visit18 J/cm² × 1 day18 J/cm²LED mask — dailyphotons delivered, dermis stays at 35°Cno thermal doseOne month of NIRA delivers roughly five times the dermal energy of a single professional session — spread thin enough that it never crosses into pain.LED masks deliver comparable joules but at a rate too low to raise dermal temperature, so no thermal dose accumulates. Dose accumulates; a single session does not. Cumulative thermal dose delivered to the dermis over one month. LED masks deliver photons daily but at a rate too low to raise dermal temperature, so no thermal dose accrues. Then there is the cost nobody prices: your time. A 12-minute daily mask session is a meaningful commitment. Across a year it adds up to more than sixty hours. MINUTES PER DAILY SESSIONThe other cost of a light treatmentPER YEARNIRA Precision — eyes and mouth2 min15 hrsNIRA Pro 3 — full face2.5 min15 hrsLG LED mask9 min55 hrsTheraFace Mask Glo12 min62 hrsSilk'n LED + RF15 min91 hrsLYMA Laser45 min274 hrsTheraFace Glo is used 6 days a week; the rest are daily. Yearly totals assume the manufacturer's own protocol. Minutes per session, hours per year. Manufacturer-recommended protocols. NIRA Pro 3 treats the full face in about two and a half minutes; the LYMA Laser is included for scale. Cost of treatment, full face, first year Approach Per treatment Year one Thereafter NIRA laser $449–$539 $449–$649 Device is yours — no recurring cost LED mask $269–$2,700 $269–$2,700 Device is yours In-office laser $570–$2,000 $2,250–$12,000 Repeats yearly Neurotoxin injections $960–$1,500 $3,840–$6,000 Repeats every 3–4 months Dermal fillers $3,400–$6,800 $6,800–$13,600 Repeats every 6–18 months 09 — In fairness Where LED genuinely earns its place A comparison that concludes one technology is better at everything is usually a comparison you should distrust. LED masks do real things, and Therabody's own 2025 data show what those things are. Choosing by concern If your primary concern is… LED mask NIRA laser Wrinkles and fine lines Weak Strong Skin firmness and elasticity Moderate Strong Radiance and luminosity Strong Moderate Uneven tone and pigmentation Strong Moderate Active inflammatory acne Strong blue light, antibacterial Strong 1450 nm targets sebaceous glands Post-procedure inflammation Strong Not indicated Completely hands-free routine Yes Requires active use Shortest daily time commitment 9–15 min 2–3 min Treating neck, chest and hands Mask geometry limits this Handheld, any area There is a defensible case for using both. LED for inflammation, radiance and tone; a 1450 nm laser for the structural collagen work. They are not substitutes, and treating them as competitors in the same category is a marketing artefact rather than a clinical reality. 10 — The verdict If wrinkles are the goal, the mechanism decides the outcome Strip away the marketing from both sides and the argument reduces to one question: does the device get your dermis into the 39–45°C window where collagen renewal is signalled? An LED mask does not, by design. It operates at roughly 35°C and 0.025–0.070 W/cm². Its published results reflect that honestly — strong on radiance and tone, weak on wrinkle architecture. A 1450 nm non-fractional laser does, deliberately, holding tissue above the heat-shock threshold for three-plus seconds per pulse without crossing into pain. Bottom line Buy the mechanism that matches the problem. For radiance, tone evenness and inflammatory calm, an LED mask is a reasonable purchase with real published support behind those specific claims. For wrinkles, fine lines and dermal firmness, the evidence points clearly to photothermal collagen induction — 93% of NIRA subjects showing measured wrinkle improvement against 10% in the largest published LED mask study, in a fifth of the daily time, with results that continued improving for three months after treatment stopped. NIRA Precision and NIRA Pro 3. Precision targets crow's feet, hooded eyes and perioral lines; Pro 3 treats the full face, neck, chest and hands in about two and a half minutes. Both are FDA cleared, clinically tested and safe across all Fitzpatrick skin types. 11 — Questions Common questions Is an LED mask useless, then? No. It is mis-marketed. Therabody's own 2025 data show meaningful improvements in radiance (+25.4%), texture (+22.9%) and tone evenness (+11.0%). Those are real benefits from a real mechanism. The problem is that masks are sold primarily on wrinkle reduction, which is the endpoint where the same study found a 2.8% average change and a 10% responder rate. Doesn't red light penetrate deeper than 1450 nm? Yes, and it is a common misunderstanding that this favours LED. Red and near-infrared sit in tissue's optical window precisely because they are poorly absorbed — which is why they travel far. 1450 nm is strongly absorbed by water, so it deposits its energy in the upper dermis instead of passing through. For collagen stimulation, absorption at the right depth beats raw penetration. Why does NIRA use the weaker Therabody study rather than the stronger one? Because the 2025 study is the more reliable estimate. It enrolled 104 subjects against 31 in 2023, and larger samples produce more trustworthy effect sizes. Using the 2023 figures would produce a smaller, more flattering-to-LED gap built on weaker data. We would rather be compared against Therabody's best evidence. Is the 70× figure a measured result? No, and we say so plainly. It is the product of two ratios drawn from two separate studies with different measurement instruments, durations and populations. Read it as an order-of-magnitude statement about the difference in mechanism, not as a precise constant. The full caveats are set out in Section 06. Is a home laser safe to use on my own face? 1450 nm is strongly absorbed by water, which makes it eye-safe for most applications, and it has very low absorption in melanin, haemoglobin and cellular DNA. NIRA devices carry three contact sensors requiring full skin contact before firing. Across four clinical studies no serious adverse events have been reported; roughly 2–5% of users report mild transient discomfort. The devices are FDA cleared and tested to IEC 60601-1, IEC 60825 and ISO 14971. How long before I see anything? In the 2025 study 31% of subjects had a full point of Fitzpatrick Wrinkle Scale improvement by Week 8, 46% by Week 12, and 63% by Week 16. Plan on 90 days of daily use before judging results, and expect continued improvement after that. Can I use both an LED mask and a NIRA laser? Yes. They act through different mechanisms on different targets and there is no known interaction. If you own a mask you value for radiance or breakouts, there is no reason to abandon it. 12 — Sources References and methodology Primary clinical sources Greenstein D, Bean D, Nale H, Wong R, Jiang H. Non-Fractional, Home-Use 1450 nm Laser Treatment for Full-Face Wrinkles and Facial Rejuvenation: A 28-Week Clinical Study. NIRA Innovations Inc., February 2026. Bean D, Huang Z, Feldchtein F, Govoni K. Non-Fractional Dynamic Treatment of Wrinkles with Low Power, Single-Pass 1450 nm Handheld Laser. Dermal Photonics Corp., January 2019. Nam CH, Park BC, Kim MH, Choi EH, Hong SP. The Efficacy and Safety of 660 nm and 411 to 777 nm Light-Emitting Devices for Treating Wrinkles. Dermatologic Surgery 2017;43(3):371–380. DOI: 10.1097/DSS.0000000000000981. Therabody. The Clinical Findings Behind TheraFace Mask Glo — the Largest Study of LED Masks on the Market. 12-week study, 104 subjects. therabody.com Therabody. TheraFace Mask LED Therapy Skincare Device Is Clinically Proven as a Facial Health Solution in 12-Week Clinical Study. 31 subjects. therabody.com Mechanism and supporting literature Dams S, et al. Heat shocks enhance procollagen type I and III expression in fibroblasts in ex vivo human skin. Skin Research and Technology 2011;17(2):167–180. Goldberg DJ, Rogachefsky AS, Silapunt S. Non-ablative laser treatment of facial rhytides: 1450 nm diode laser with dynamic cooling. Lasers in Surgery and Medicine 2002;30(2):79–81. Tanzi EL, et al. Treatment of inflammatory facial acne vulgaris with the 1450 nm diode laser: a pilot study. Dermatologic Surgery 2004;30(2):147–151. Astner S, Tsao SS. Clinical evaluation of a 1450 nm diode laser as adjunctive treatment for refractory facial acne vulgaris. Dermatologic Surgery 2008;34(8):1054–1061. Lloyd JR, et al. 1440 nm Nd:YAG laser for the treatment of facial wrinkles. Lasers in Surgery and Medicine 2010;42(5):384–391. Device specifications Power density, energy density, spot size, treatment time and maximum skin temperature figures are drawn from NIRA's competitive technology analysis, compiled from manufacturer published specifications and FDA 510(k) summaries: NIRA (K163167, K222685), Tria (K130459), Candela/Cynosure (K041242), NuFACE (K201680, K120560), LYMA (K210823), LG (K170984), Silk'n (K162784), Tripollar/Newa (K203665). A note on method Every LED figure in this article comes from the manufacturer's own published clinical summaries, not from third-party estimates or reconstructions. Where two studies from the same brand disagree, we have used the larger and more recent one. Where NIRA and LED endpoints are not directly comparable, we have said so explicitly rather than presenting the comparison as equivalent. Percentages are reproduced as published. NIRA Innovations Inc. · Derry, New Hampshire, USA The NIRA laser is FDA cleared for over-the-counter sale with an indication of periorbital wrinkles. Individual results vary. This article is provided for informational purposes and is not medical advice. Consult a qualified clinician about any skin condition or treatment. Trademarks referenced — TheraFace, Therabody, LYMA, NuFACE, Tria, Candela, Cynosure, Silk'n, Tripollar — are the property of their respective owners and are used here for identification and comparison only.

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