The Science Behind Red & Blue Light Therapy and Its Benefits for Skin and Healing
- Genelle Holub
- Oct 9
- 5 min read
Red light therapy isn’t just a flashy trend you see online; it’s making a real difference for many people. Whether you’re dealing with acne, wrinkles, or joint pain, this innovative treatment can help your body heal using just light. No harsh chemicals, no lengthy recovery times—just noticeable results. Let's explore the facts surrounding light therapy and why it’s worth your attention.
Understanding Light Therapy
Red light therapy (RLT) has a rich history. Research has been conducted on its effects for decades. Initially developed by NASA to speed up wound healing for astronauts, RLT is now widely used by beauty enthusiasts and those seeking relief from chronic pain. Even though we say RLT it also stands for blue light therapy for different results. I'll try to help make it clear for you. While NASA did not discover red light therapy per se, they played a significant role in the development and research of light therapy technologies, including red light therapy. In the 1980s, NASA scientists conducted experiments to investigate the effects of light on plant growth in space. They found that specific wavelengths of light, including red light, were particularly effective in promoting plant growth and photosynthesis. This research led to the development of light emitting diodes (LEDs) that emitted specific wavelengths of light for various applications.
RLT works by using specific wavelengths of red and near-infrared light, penetrating the skin to activate underlying cells. Unlike harmful UV rays, red light stimulates safe energy production within your cells. This boost in energy can help to speed up cell repair, reduce inflammation, and increase collagen production, which is vital for skin health and healing.
What Does Red Light Do?
The science behind red light therapy is compelling. When red light reaches your skin, it activates the mitochondria in your cells—the "powerhouses" that produce energy. This activation leads to a significant increase in ATP (adenosine triphosphate) production, which is critical for energy transfer and cell function.
As a result, your body repairs itself more effectively. This mechanism not only aids in wound healing but when blue light is used it also reduces inflammation, acne and enhances overall skin health. For example, research indicates that patients using Light Therapy saw a 70% improvement in skin texture and tone after consistent use over three months.
The Benefits of Red or Blue Light for Beauty
Red light therapy is more than just another beauty trend; it’s backed by science and offers impressive benefits for skin health, acne, and even hair growth. Here are some specific ways Light Therapy enhances your natural beauty:
1. Reduces Acne and Breakouts
For those facing acne challenges, blue light therapy can be transformative. Its anti-inflammatory properties calm the skin and diminish the redness associated with breakouts. Over time, regular use of Light Therapy can lead to clearer skin—a study found that participants experienced a 50% reduction in acne lesions within eight weeks of treatment.
Blue light range of the electro-magnetic spectrum (400nm – 500nm) is very effective in treating mild to moderate acne vulgaris. When P.acnes bacteria is exposed to blue light energy, a photo-toxic event is created, resulting in the death of the bacteria.
2. Improves Skin Texture and Tone
Using Red Light Therapy consistently can greatly enhance both the texture and tone of your skin. Increased collagen production helps fill in fine lines and wrinkles, giving your skin a more youthful look. Many users report a noticeable improvement in hyperpigmentation and overall skin tone, making RLT a popular option for those wanting to refresh their complexion.
During a facial red light is key and works great after a peel to further stimulate under our skin for tightening. You want this light to be at 640 nm.
3. Promotes Hair Growth
Interestingly, red light therapy does not only benefit the skin; it also encourages hair growth. Research has shown that RLT can stimulate hair follicles, increasing hair density and thickness. One study found that participants using RLT three times a week for 12 weeks experienced up to a 40% increase in hair count.
4. Eases Joint and Muscle Pain
Red light therapy is also highly effective for pain relief. Whether you are dealing with chronic pain, muscle soreness, or joint issues, RLT can alleviate discomfort. The anti-inflammatory effects can reduce swelling and enhance recovery after workouts or injuries. In clinical trials, users reported a 30% improvement in pain levels after consistent RLT sessions.
Red Light Therapy is a great option for bruising as it helps to accelerate the healing process by increasing circulation and reducing inflammation. Regular use has been shown to shorten bruise duration and minimize pain, making it a great option for faster recovery. Need a little help after that injection? I've got you!
5. Enhances Overall Well-Being
The advantages of red and blue light therapy extend beyond beauty and pain relief. Many users report feeling more energized and less stressed following their sessions. The calming effect promotes relaxation, making it a beneficial addition to your self-care regimen.
How to Incorporate Light Therapy into Your Routine
If you’re interested in adding red light therapy to your routine, there are various ways to do so:
At-Home Devices
Numerous at-home devices are available for red light therapy. From handheld options to larger panels. I do not recommend the handheld devices because so few bulbs are used and it won't work unless you plan on holding that device on your cheek for 30 minutes then move to the other cheek for 30 minutes... well, you get my point. Make sure to look for devices that emit the right wavelengths—typically between 400-500 nm for red light about 640 nm and 800-850 nm for near-infrared light.
Professional Treatments
For those seeking more powerful results, many spas and wellness centers offer professional red light therapy sessions. These treatments use higher intensity light, often yielding faster results. The best lights are professional lights and require a minimum of 20 minutes to be effective. I go up to 30 minutes for all my clients and is the standard.
Consistency is Key
To achieve the best outcomes, consistency is vital. Most experts recommend using red light therapy several times a week. Whether you choose an at-home device or a professional treatment, incorporating Light Therapy regularly will yield the most significant benefits.
A Final Thought
Red light therapy is more than just a temporary trend; it’s a scientifically-supported treatment with numerous benefits for skin health and overall wellness. From reducing acne and enhancing skin texture to alleviating joint pain and encouraging hair growth, RLT works by harnessing the natural power of light to assist your body in healing itself.
If you're contemplating introducing red light therapy into your routine, it’s essential to choose the best device or treatment for your needs and remain consistent. With time, you may witness the cumulative benefits, leading to revitalized skin and a healthier you. Contact me to purchase a Celluma light device through my rep! Genelle@faceitskin.net
Schedule appointments at: www.faceitskin.net
Genelle Holub
Face It Skin
Pro MUA
Certified Nutrition Esthetician
Founder
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