An image of a woman using red light therapy for scars
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Red Light Therapy To Fade Scars: Does It Work?

John Tsenekos
August 24, 2025
8 MINS READ

Red Light Therapy has become a buzzworthy topic in the world of skincare, with many people turning to at-home devices and spa treatments in hopes of achieving smoother, healthier-looking skin. While you might hear claims that Red Light Therapy can fade scars, the reality is a bit different. This treatment doesn’t actually reduce the appearance of scars, but it can help improve other visible signs of skin aging, such as wrinkles and fine lines. If you’re curious about what Red Light Therapy can and can’t do for your skin, you’re in the right place.

What Is Red Light Therapy?

Red Light Therapy is a gentle, non-invasive skincare technology that uses specific wavelengths of red light to target visible signs of skin aging. This treatment works by penetrating the skin at a cellular level, supporting your body’s natural processes—especially the production of collagen, which is the protein that helps keep your skin looking firm and smooth. As you age, collagen production naturally slows down, leading to more noticeable wrinkles and fine lines. Red Light Therapy helps support healthier-looking skin by encouraging collagen and elastin, which can make your skin appear firmer and more radiant over time.

In skincare routines, Red Light Therapy is often used after cleansing and before applying serums or moisturizers. Many people incorporate it into their regular self-care rituals several times a week, with some seeing visible changes in as little as four weeks, and more significant results after about eight weeks of consistent use. The treatment is painless, requires no downtime, and is suitable for most skin types.

There are a variety of Red Light Therapy devices available for at-home use, including full-face masks, targeted eye masks, and spot treatment wands. These devices are designed to be user-friendly and fit seamlessly into your daily routine. Some combine Red Light with other wavelengths, like Near-Infrared or Blue Light, to address additional skin concerns such as redness or pimples. With options ranging from quick three-minute spot treatments to ten-minute full-face sessions, you can easily find a device that matches your skincare goals and lifestyle.

Can Red Light Therapy Fade Scars?

It’s a common misconception that Red Light Therapy can fade scars. While this treatment offers several benefits for your skin’s appearance, current research does not support the idea that Red Light Therapy can reduce or remove scars. Most studies and expert reviews focus on its ability to support healthier-looking skin by improving the look of wrinkles, fine lines, and overall skin texture—not scar fading.

Red Light Therapy works by delivering specific wavelengths of light to the deeper layers of your skin, which helps stimulate collagen and elastin production. This process can make your skin appear firmer, smoother, and more radiant over time. However, scars—especially those that are raised, indented, or have altered pigmentation—are the result of deeper changes in the skin’s structure that Red Light Therapy cannot reverse.

What Red Light Therapy can do is help your skin look healthier and more even-toned, and it may help reduce visible redness or calm the skin around a scar. But if your goal is to fade or remove scars, you’ll want to explore other evidence-backed treatments, such as silicone gels, laser therapy, or microneedling. Red Light Therapy is best used for supporting your skin’s overall appearance and addressing visible signs of skin aging, rather than as a solution for scar fading.

How Scars Are Formed

When your skin experiences an injury—whether from a cut, scrape, surgery, or a pimple—your body immediately begins a healing process to repair the damage. First, your body forms a blood clot to stop bleeding and protect the wound. Next, your immune system works to clean out any bacteria or debris. As the wound heals, your skin produces new collagen fibers to close the gap and rebuild the tissue.

The way your skin heals can lead to different types of scars:

  • Raised Scars (Hypertrophic or Keloid): These scars are thick, firm, and stand above the surface of the skin. Keloids can grow beyond the original wound area, while hypertrophic scars stay within the boundaries of the injury.

  • Flat Scars: Over time, many scars flatten and fade, becoming less noticeable. These are the most common type and often result from minor injuries.

  • Indented Scars (Atrophic): These scars sink below the surface of the skin, often caused by conditions like acne or chickenpox. They form when the skin loses tissue during healing.

Several factors influence how your scars develop:

  • Age: Younger skin tends to heal faster but may produce more noticeable scars, while older skin heals more slowly and may scar less.

  • Genetics: Some people are naturally more prone to developing raised or pigmented scars due to their genetic makeup.

  • Wound Care: Keeping a wound clean, moist, and protected can help minimize scarring. Picking at scabs or not caring for a wound properly can make scars more prominent.

  • Location and Depth: Areas of the body that move a lot or have thicker skin may scar differently than others. Deeper wounds are more likely to leave noticeable scars.

Evidence-Backed Methods To Fade Or Remove Scars

While scars are a natural part of the healing process, there are several proven methods to help fade their appearance or, in some cases, remove them:

Topical Treatments: Silicone gels and sheets are widely recommended by dermatologists for both new and old scars. These products create a protective barrier over the scar, helping to keep it hydrated and reduce its size and color over time. Some people also use onion extract gels, but silicone remains the gold standard.

Professional Procedures:

  • Laser Treatments: Dermatologists use different types of lasers to target scar tissue, helping to smooth texture, reduce redness, and encourage new, healthy skin growth.

  • Microneedling: This procedure uses tiny needles to create micro-injuries in the skin, stimulating collagen production and improving the look of indented or textured scars.

  • Chemical Peels: By removing the top layers of skin, chemical peels can help fade discoloration and smooth out uneven skin caused by scars.

  • Over-the-Counter Options: Products containing retinoids (vitamin A derivatives) can help speed up cell turnover and fade discoloration. Gentle exfoliants, like alpha hydroxy acids (AHAs), can also help smooth the skin’s surface and lighten dark marks left by scars.

  • Sun Protection: Protecting scars from the sun is essential. UV exposure can darken scars and make them more noticeable. Using a broad-spectrum sunscreen daily on healing or existing scars helps prevent discoloration and supports the fading process.

If your scar is painful, growing, or affecting your confidence, it’s a good idea to consult a dermatologist. They can recommend the best treatment options for your skin type and the specific kind of scar you have. Early intervention often leads to better results, especially for raised or indented scars.

What Red Light Therapy Can Help With

Red Light Therapy is celebrated for its ability to address several visible signs of skin aging and support overall skin health. When used consistently, it can help improve the look of wrinkles and fine lines by encouraging your skin to produce more collagen and elastin—two proteins that give your skin its firmness and smoothness. This boost in collagen can help your skin appear plumper and more youthful over time.

Beyond smoothing wrinkles, Red Light Therapy also supports a healthier-looking skin tone and texture. Many people notice their skin looks more even and radiant after regular use, with a reduction in dullness and rough patches. If you struggle with visible redness or sensitivity, Red Light Therapy can help calm the skin and reduce the appearance of redness, making your complexion look more balanced and soothed.

Another benefit is the enhanced appearance of skin firmness and elasticity. As your skin’s natural collagen and elastin levels are supported, you may notice your skin feels firmer and looks more lifted. These changes happen gradually, so consistency is key for the best results.

Other Types Of Light Therapy And Their Uses

While Red Light Therapy is a go-to for signs of skin aging, other types of Light Therapy can target different skin concerns. Blue Light Therapy is especially effective for pimples and zits. It works by targeting the bacteria that contribute to pimples and helps reduce excess oil, making it a popular choice for those with acne-prone skin.

Some devices combine multiple types of Light Therapy—such as Red, Blue, Near-Infrared, and Amber Light—to address a wider range of skin goals in one treatment. For example, our Bye Acne 3-Minute Pimple Spot Treatment device can help visibly smooth wrinkles, calm the look of redness, and target pimples all at once, making it a versatile option for your skincare routine.

Choosing the right Light Therapy depends on your unique skin goals. If your main focus is reducing wrinkles and supporting firmer, healthier-looking skin, Red Light Therapy is a great choice. If you’re looking to manage pimples, Blue Light Therapy may be more effective. For those with multiple concerns, combination devices offer a convenient way to address several skin needs at once. Always consider your skin type, concerns, and how much time you want to spend on treatments when selecting the best Light Therapy for you.

Conclusion

Red Light Therapy isn’t the answer if you’re hoping to fade scars, but you do have proven options for scar care, from silicone gels to professional treatments. If your goal is to improve the look of wrinkles, fine lines, or overall skin texture, Red Light Therapy can be a helpful addition to your routine.

If you're ready to see what Red Light Therapy can do, check out our Before and After Red Light Therapy photo results.


Sources:

  1. A Controlled Trial to Determine the Efficacy of Red and Near-Infrared Light Treatment in Patient Satisfaction, Reduction of Fine Lines, Wrinkles, Skin Roughness, and Intradermal Collagen Density Increase - PMC 

  2. Hypertrophic Scar: What Is It, Causes, Treatment 

  3. The Use of Silicone Adhesives for Scar Reduction - PMC 

  4. Evaluating the Efficacy and Safety of Alpha-Hydroxy Acids in Dermatological Practice: A Comprehensive Clinical and Legal Review 

 

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Reviewed by

This article was reviewed by a board-certified plastic and reconstructive surgeon.

Dr. Daniel Gould

Board-certified plastic and reconstructive surgeon with specialized training in research through the Medical Scientist Training Program.