Lately, red light therapy has garnered a lot of attention for it’s exciting potential benefits across various beauty and wellness domains. This Red Light Therapy Guide will allow you to explore the most up to date mechanisms, applications, and scientific evidence supporting the efficacy and amazing benefits of red light therapy.

What Is Red Light Therapy?

Red light therapy (RLT), also known as low-level laser therapy (LLLT) or photobiomodulation, is a non-invasive treatment that utilizes specific wavelengths of red and near-infrared light to stimulate cellular function. Red light therapy, originally developed to aid in wound healing and tissue repair for astronauts, has grown in popularity due to its potential benefits for skincare, pain relief, and overall wellness. Red light therapy works by delivering wavelengths of light (typically between 600 to 1,000 nanometers) that penetrate the skin’s surface and reach the cells below. Once absorbed, these light waves stimulate the mitochondria, the powerhouse of the cell, which then increases it’s production of adenosine triphosphate (ATP), a molecule that provides energy to power cellular processes.

The increased ATP production enhances cell function, promoting faster cell repair, regeneration, and reduced inflammation. This cellular boost can lead to improved skin elasticity, skin vibrancy, decreased appearance of fine lines, for a youthful appearance, and a reduction in acne and inflammation. In addition to it’s cosmetic applications, RLT is widely recognized for it’s potential benefits in reducing pain and inflammation, especially in conditions like arthritis and muscle soreness. By modulating inflammatory pathways and improving blood flow to targeted areas, red light therapy has shown promise in supporting recovery for athletes and individuals with chronic pain.

Red light therapy is delivered using various devices, from handheld gadgets to larger panels which save time and are usually more powerful and effective. Check out our favorite tried and true clinically proven  red light therapy panel here.

Safety is a key benefit of RLT, because it’s non-invasive, painless, and has minimal side effects when used appropriately. While more extensive research is needed to fully understand the long-term effects and mechanisms of RLT, existing studies and clinical applications show promising results across multiple health and wellness arenas.

Red Light Therapy Benefits​

Beautiful Healthy Skin And Aesthetics

The proven skin benefits of our favorite red light therapy tower, Clearlight Red Light Therapy Tower, include: improved wound healing, reduction in stretch marks, reduction in wrinkles, reduction in fine lines and age spots, increased collagen production, improved facial texture, an improvement in psoriasis, rosacea and eczema, improvement in the look and feel of scars, and an improvement in the appearance of sun-damaged skin.

Anti-Aging Effects

Red light therapy has been shown to stimulate collagen production, improving skin elasticity and reducing the appearance of fine lines and wrinkles. A study by Avci et al. (2013) demonstrated significant improvements in skin complexion and texture following RLT.

Acne Treatment 

The anti-inflammatory properties of red light therapy can help reduce acne lesions. Research indicates that RLT decreases sebum production and bacterial proliferation, contributing to clearer skin (Lee et al., 2007).

Wound Healing

Red light therapy accelerates tissue repair and wound healing by promoting fibroblast proliferation and enhancing blood circulation to the affected area (Hopkins et al., 2004).

Pain Management And Inflammation Reduction

Musculoskeletal Pain

RLT has been effective in alleviating pain associated with conditions such as osteoarthritis and tendinopathies. A systematic review by Tumilty et al. (2010) reported significant pain reduction and improved function in patients undergoing red light therapy.

Inflammation Reduction

By influencing cytokine activity, RLT reduces inflammation, which is beneficial in managing chronic inflammatory conditions (Hamblin, 2017).

Red Light Therapy Stimulates Hair Growth 

Androgenetic Alopecia

Studies have shown that RLT can stimulate hair growth in individuals with androgenetic alopecia. A randomized controlled trial by Lanzafame et al. (2013) found a significant increase in hair density among participants receiving RLT.

Neurological Benefits

Cognitive Function

Emerging research suggests that red light therapy may enhance cognitive performance and provide neuroprotective effects. Barrett and Gonzalez-Lima (2013) observed improved memory and attention in healthy individuals following transcranial RLT.

Mood Enhancement

Red light therapy has potential antidepressant effects, possibly by modulating neurotransmitter activity and reducing neuroinflammation (Schiffer et al., 2009).

Athletic Performance And Recovery

Muscle Recovery

Athletes may benefit from red light therapy through reduced muscle soreness and faster recovery times post-exercise. Leal Junior et al. (2009) reported enhanced muscle performance and decreased fatigue in athletes treated with RLT.

Performance Enhancement

Some studies suggest that RLT can improve muscle strength and endurance, potentially by increasing mitochondrial efficiency and reducing oxidative stress (Leal Junior et al., 2010).

Red Light Therapy Safety And Considerations

RLT is generally considered safe with minimal side effects when used appropriately. However, it is essential to adhere to recommended dosages and exposure times to avoid potential risks such as burns or eye damage. Consulting with a healthcare professional before initiating RLT is advisable, especially for individuals with underlying health conditions or those taking photosensitizing medications.

Takeaways On Red Light Therapy

Red light therapy offers a versatile and promising approach to enhancing beauty and wellness across various domains, including skin care, pain management, hair growth, neurological function, and athletic performance. While the existing body of research supports its efficacy, ongoing studies continue to add to the full spectrum of its benefits and optimal application protocols. As with any therapeutic intervention, individual responses may vary, and professional guidance is recommended to tailor treatments to your specific needs.

Frequently Asked Questions For Red Light Therapy

How often should you do red light therapy?

Most experts recommend doing red light therapy sessions 2-3 times per week. However, frequency can vary based on the condition being treated. Some may benefit from more frequent sessions, but it’s best to consult a specialist for personalized guidance.

How long to see benefits of red light therapy?

Visible benefits can appear within 4-6 weeks of consistent use. For certain conditions like skin rejuvenation, you might notice improvements sooner, while pain relief and other therapeutic effects could take several weeks.

Does red light therapy help with weight loss?

While red light therapy isn’t a direct weight-loss tool, it may support fat reduction by improving cellular energy, metabolism, and blood circulation, which can help enhance the effects of exercise and diet.

Do infrared saunas have red light therapy?

Yes, Clearlight is a cutting edge infrared sauna company, which offers red light therapy products, made for use inside of their saunas, in order to combine red light and infrared therapies. By utilizing both red light therapy and infrared therapy, you allow multiple facets for healing and rejuvenation at the same time. Simply, power on your red light therapy device as you enjoy your infrared sauna session.

How long to use red light therapy on the face?

Sessions for facial use typically last between 5-10 minutes, depending on the intensity of the device and individual needs. Consult device guidelines for specific recommendations.

How much does red light therapy cost?

Prices vary widely: at-home devices can range from $100 to $8,000 or more, while in-clinic sessions can cost anywhere from $50  to $500 per session, depending on the provider and location. Keep in mind you typically get what you pay for. The higher end devices are more powerful and tend to be more effective.

How to use red light therapy for testosterone?

Some studies suggest that applying red light therapy to specific areas, like the lower abdomen, for about 10-20 minutes a few times per week may help boost testosterone levels. However, more research is needed, and it’s recommended to consult with a healthcare professional before trying this.

Is red light therapy safe for breast implants?

Yes, red light therapy is generally considered safe for individuals with breast implants, as it does not generate high levels of heat or radiation.

Do you need eye protection for red light therapy?

While red light therapy is generally safe, using protective eyewear is advised, especially for high-intensity devices or prolonged treatments, to prevent eye strain or discomfort.

Does red light therapy help sunburn?

Yes, red light therapy can help soothe and accelerate the healing of sunburns by reducing inflammation and promoting cell repair. It helps heal areas that have peeled from an intense sunburn.

Does red light therapy help dark spots?

Red light therapy may help fade dark spots over time by encouraging skin cell turnover and reducing pigmentation irregularities.

Can you do red light therapy with makeup on?

It’s best to use red light therapy on clean skin to ensure optimal penetration and effectiveness.

Is red light therapy better than Botox?

Red light therapy and Botox serve different purposes. While red light therapy can improve skin tone and reduce fine lines, Botox works by temporarily paralyzing muscles to prevent wrinkles.

Can I use red light therapy with retinol?

It’s recommended to avoid using red light therapy immediately after applying retinol, as it can make the skin more sensitive. Using red light therapy at a different time of day than retinol application may help reduce irritation.

Does red light therapy help broken bones?

Red light therapy may aid in the healing of broken bones by promoting circulation and cellular repair, though it is typically used as a supplementary treatment. Consult with a doctor before using it for bone injuries.

How to use red light therapy for migraines?

Applying red light therapy to the head and neck area for about 10-20 minutes during a migraine or as a preventive measure may help reduce symptoms. Always consult with a healthcare provider for personalized recommendations.

Is red light therapy safe for pregnancy?

There is limited research on red light therapy’s safety during pregnancy, so it’s generally advised to consult a healthcare provider before using it during this time.

Is red light therapy safe for cancer patients?

Red light therapy should be used cautiously in cancer patients, as it may stimulate cellular activity. Patients should consult their oncologist or healthcare provider before starting therapy.

Can I use my phone during red light therapy?

Using your phone is generally safe during red light therapy, though it’s advised to avoid direct light exposure to screens for optimal relaxation and effectiveness.

Can red light therapy reverse grey hair?

There is limited evidence to support red light therapy reversing grey hair. While it can improve scalp health, further research is needed on its effect on hair pigmentation.

Does red light therapy help varicose veins?

Red light therapy may reduce the appearance of varicose veins by improving blood flow and reducing inflammation, though results vary.

Does red light therapy increase estrogen?

There is no substantial evidence that red light therapy increases estrogen. More research is needed to confirm its effects on hormone levels.

Can red light therapy regrow gums?

Red light therapy may support gum health by reducing inflammation and promoting tissue regeneration, but it’s not a substitute for professional dental treatment. For more interesting insight into tissue rejuvenation see Marneys Tidbits article, Have You Heard About The Miraculous Acemannan Supplement Benefits?”

Does red light therapy kill toenail fungus?

Red light therapy alone may not kill toenail fungus. It is sometimes used alongside other treatments, but it’s best to consult a healthcare provider for comprehensive treatment options.

Does red light therapy lower cortisol?

Preliminary research suggests that red light therapy may reduce cortisol levels by promoting relaxation and reducing stress, though more studies are needed.

How soon after surgery can you use red light therapy?

It’s usually safe to start red light therapy several weeks post-surgery, to help with scarring, but it’s essential to get approval from your healthcare provider to avoid interfering with the healing process.

How do you use red light therapy for hair growth?

Use red light therapy on the scalp for about 10-20 minutes, 2-3 times per week, to stimulate hair follicles and promote hair growth.

Is red light therapy the same as an infrared sauna?

No, red light therapy and infrared saunas differ. Red light therapy targets skin and tissues with specific wavelengths, while infrared saunas use heat to promote sweating and detoxification. However, it is beneficial and time saving to use both therapies at the same time. See Marneys Tidbits article  titled, “Enjoy 12 Amazing Health Benefits Of Infrared Sauna Therapy” for a more in depth answer to this question.

Does red light therapy burn fat?

Red light therapy may aid in fat reduction by promoting cellular function and supporting metabolism, though it’s not a substitute for a healthy diet and exercise.

Will red light therapy help stretch marks?

Red light therapy may help reduce the appearance of stretch marks by stimulating collagen production and improving skin elasticity.

Can you do red light therapy twice a day?

For most purposes, once daily or several times per week is sufficient. Excessive use may lead to skin irritation, so consult device guidelines or a healthcare provider.

Does red light therapy work for neuropathy in feet?

Yes, red light therapy may provide relief for neuropathy by reducing inflammation and improving circulation in affected areas. Consult with a healthcare provider for a tailored treatment plan.

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References:

Avci, P., Gupta, A., Sadasivam, M., Vecchio, D., Pam, Z., Pam, N., & Hamblin, M. R. (2013). Low-level laser (light) therapy (LLLT) in skin: Stimulating, healing, restoring. Seminars in Cutaneous Medicine and Surgery, 32(1), 41–52. https://doi.org/10.12788/j.sder.0023

Barrett, D. W., & Gonzalez-Lima, F. (2013). Transcranial infrared laser stimulation produces beneficial cognitive and emotional effects in humans. Neuroscience, 230, 13–23. https://doi.org/10.1016/j.neuroscience.2012.11.016

Hopkins, J. T., McLoda, T. A., Seegmiller, J. G., & Baxter, G. D. (2004). Low-level laser therapy facilitates superficial wound healing in humans: A triple-blind, sham-controlled study. Journal of Athletic Training, 39(3), 223–229.

Lanzafame, R. J., Blanche, R. R., Bodian, A. B., Chiacchierini, R. P., Fernandez-Obregon, A., & Kazmirek, E. R. (2013). The growth of human scalp hair mediated by visible red light laser and LED sources in males. Lasers in Surgery and Medicine, 45(8), 487–495. https://doi.org/10.1002/lsm.22173

Leal Junior, E. C. P., Lopes-Martins, R. A. B., Dalan, F., Ferrari, M., de Godoi, V., & Bjordal, J. M. (2009). Effect of 655-nm low-level laser therapy on exercise-induced skeletal muscle fatigue in humans. Photomedicine and Laser Surgery, 27(6), 965–970. https://doi.org/10.1089/