What is Red Light Therapy?

Red Light & Near Infrared Light Therapy has been scientifically proven in peer reviewed clinical trials to have anti-aging effects on our skin, help with neurological disease, fight depression and anxiety, increase fat loss, speed recovery from exercise, improve your sleep, increase strength and endurance, combat some autoimmune conditions, fight hair loss, and speed healing from injury, all with little to no side effects.


There are multiple natural skin treatments available on the market right now and the beauty industry is bigger than ever as more and more people are concerned about improving their appearance. The best available treatment for your skin health is red light therapy. There are numerous spas and natural medicine clinics around the world that already have red light therapy on their menus as studies have clearly shown how effective red-light therapy is for skin repair, rejuvenation and anti-ageing affects. Many people are becoming increasing wary of cosmetic injectables like Botox but still want to achieve younger skin, reduce wrinkles or reduce the appearance of scars. These health conscience individuals are turning to red light therapy as a solution due to the amount of peer reviewed science backing up the claims. Red light therapy used 660nm red light to improve skin elasticity, increase collagen, heal wounds and scars. 660nm red light strengthens the mitochondria in your skin cells which the provides benefits to skin ageing and repair.

In 2017 a study was released showing that red light improves skin complexation, decreases inflammation and pain, fades stretch marks and scars, repairs sun damage, reduces wrinkles and quickens the skin’s healing process. The Academic Literature also shows that by utilising red light therapy we can improve blood circulation. This provides more oxygen used for healing to spread quicker throughout the body. This also helps the body tissues rid themselves of toxic chemical by-products. Another benefit of using red light at 660nm is that is lessens acute and chronic inflammation. Like above, it achieved this by delivering more oxygenated blood to the damaged tissue. Clinical trials have shown that red light therapy builds up the body’s antioxidant levels which helps heal and regenerate the skin.

Increasing Collagen and Decreasing Wrinkles

Red Light Therapy improves circulation and has been proven to boost collagen and elastin. Collagen is a protein within the body that keeps your skin youthful and assists with joint and general health. As you age, collagen production reduces therefore red light therapy is crucial in restoring and maintaining a healthy skin. Several studies discovered that people who had been treated with near infrared light had greater levels of collagen than those who weren’t. Multiple human trials have shown that red light therapy boosts natural collagen production.

Red Light Therapy for Skin Conditions

Several studies have shown that red light therapy can be beneficial for the following conditions.

• Eczema and Psoriasis

The positive effects of red light therapy on eczema and psoriasis are evident in the literature. Researchers are noted to have stated that “there were no adverse side effects to using RLT, and that it brought the needed treatment to such skin conditions” on the following study.

• Acne

Research conducted in 2013 by leading light expert Alexander Wunsch demonstrated that red light therapy is effective in treating acne. During the study, they discovered that red light reduced production of sebum known to cause acne and control inflammation.

• Cold Sores

Studies have shown that red light therapy had positive effects on cold sores. Red light therapy reduced breakouts and pain associated with cold sores.

• Pigmentation

Studies have shown that Red Light Therapy helps to treat pigmentation disorders such as vitiligo and albinism. Red Light Therapy is able to increase pigmentation by increasing the production of melanocyte and reducing any autoimmunity within the body causing depigmentation.

Scar and Wound Healing

Clinical trials have shown that red light therapy can help reduce pain and inflammation that occurs after surgery. It also quickens the healing process.

In 2015, researchers performed a meta-analysis on 40 different studies to see if red light therapy sped up the healing of wounds after surgery. The result showed a statistically significant result that red light therapy helped to heal wounds.

In 2004, a study was carried out to see if red light therapy could reduce the appearance of scars. It was discovered that patients who had been under red light therapy had less visible scars than those who weren’t. There were no side effects following treatment.


Dieting and exercise are only part of the solution when it comes to fat loss. Red light therapy can help with the appearance of fat and cellulite, fat loss, controlling appetite and overall body sculpting. Red and Near Infrared Light Therapy has been proven to be a non-invasive, safe, and natural approach to weight management. By getting concentrated wavelengths of red light and near infrared light into your cells with the aim of reducing oxidative stress and stimulating cellular energy production you can help stimulate weight loss.

Clinical studies have shown red light therapy causes lipids to disperse and help eradicate fat-triggering cells. A study has also shown that red light therapy can control hunger-secreting hormones, such as ghrelin, and leptin, which helps with keeping you feeling full after smaller meals.

Below are some important studies that show other associated benefits of red light therapy when it comes to weight management.

• Decreased Cellulite

A group of researchers in 2011 conducted a study on the impact of red light therapy on the reduction of cellulite in the body. The research cantered on a group of women within the 25-55 age brackets. The researchers divided the women into two groups, with one group focusing on treadmill exercise and the other combining red light therapy with treadmill exercise. At the end of the trial, results showed those who combined RLT and exercise had more effective changes in the thigh circumference and cellulite.

• Thighs and Hips

In 2013 a study showed the positive effects of red light therapy in tightening the waist, hips, and thighs. The researchers discovered a mean loss of 2.99 inches in the body’s circumference at the end of the research and they arrived at the conclusion that red light therapy is capable of facilitating a tighter hip, thighs, and waist.

• Reduction in Waistline

A 2011 double-blind and randomized study applied visible red light therapy at 635-680nm on obese individuals. At the end of the study, a statistically significant reduction of the waistline was achieved on each of the participants.

• Decrease in Body Fat

A group of researchers in 2018 initiated triple-blind, placebo-controlled research to determine the impact of red light therapy on individuals undergoing endurance training. The outcome showed that pre-exercise treatment using light therapy is more efficient than placebo in facilitating a reduction in body fat.


There are many studies that show red light therapy has a positive influence on physical performance.

Red light therapy not only improves physical performance but also helps deal with delayed onset muscle soreness. For this reason, many professional athletes and world-renowned trainers have taken a liking to red light therapy. By using near infrared light at 850nm cells kin your muscles are stimulated in a process known as photobiostimulation and oxidative stress is decreased. More energy is also generated which increases speed of recovery and provides more energy for better performance. Infrared wavelengths of light encourage the production of antioxidants which reduces oxidative stress which is known to have a strong association with fatigue. Antioxidants also promote the production of heat proteins which prevent oxidative stress as shown in this study.

Various studies have shown that red light therapy improves blood circulation which improves oxygen and nutrient supply to the site of injury or muscle in need of recovery. As a result the rate of healing is increased and toxic substances are removed in the process.

There are many studies that show that red light therapy may help prevent muscle soreness and fatigue. Some of the most important are listed below:

• Delayed Onset of Muscle Soreness

Pain and stiffness felt a few days following a workout or physical activity is termed delayed onset of muscle soreness (DOMS). A clinical trial investigating the impact of red light therapy and exercise came to the following conclusions:

- Participants treated with red light therapy experienced a more significant reduction in pain compared to those in the control group.

- The pain scores as assessed by the McGill Pain Questionnaires were significantly different in a 48-hour period.

- Summarily, red light therapy has a positive impact on symptoms relating to DOMS.

Below is a list of studies that show the effects of red-light therapy on a range of conditions.

LED vs Laser

Depth of penetration on Equine

Study into race times after Red Light Therapy treatment

Effect of helium-neon and infrared laser irradiation on wound healing in rabbits

Is light-emitting diode phototherapy (LED-LLLT) really effective?

The Use of NASA Light-Emitting Diode Near-Infrared Technology for Biostimulation

Psychological benefits 2 and 4 weeks after a single treatment with near infrared light to the forehead: a pilot study of 10 patients with major depression and anxiety

Multi-Watt Near-Infrared Phototherapy for the Treatment of Comorbid Depression: An Open-Label Single-Arm Study

Effect of near-infrared light on in vitro cellular ATP production of osteoblasts and fibroblasts and on fracture healing with intramedullary fixation.

Adjunctive 830 nm light-emitting diode therapy can improve the results following aesthetic procedures

Effect of NASA light-emitting diode irradiation on wound healing.

Preconditioning with far-infrared irradiation enhances proliferation, cell survival, and migration of rat bone marrow-derived stem cells via CXCR4-ERK pathways

NASA Light Technology Successfully Reduces Cancer Patients Painful Side Effects from Radiation and Chemotherapy

US Department of Veteran Affairs - Research & Development - Can Light Therapy help the brain?