Blue LED hair therapy has been increasingly used to improve hair and scalp health. Blue LED is a non-thermal energy source that penetrates the deepest layers of the skin and hair, providing a range of benefits for hair health.
Among the main benefits of hair therapy with blue LED, the following stand out:
Stimulating hair growth: Blue LED light can help stimulate hair growth by increasing blood circulation to the scalp, which in turn increases the flow of nutrients to the hair follicles. A study published in the Journal of Cosmetic and Laser Therapy showed that blue LED therapy can significantly improve hair density in people with androgenetic alopecia.
Reduced scalp inflammation and irritation: Blue LED light has anti-inflammatory and antibacterial properties, which can help reduce scalp inflammation and irritation. A study published in the Journal of Investigative Dermatology showed that blue LED therapy can reduce inflammation in human scalp cells.
Improved hair quality: Blue LED hair therapy can improve hair quality, making it stronger, shinier, and healthier. A study published in the Journal of Cosmetic and Laser Therapy showed that blue LED therapy can significantly improve hair thickness, shine, and elasticity.
Treating dandruff and other scalp conditions: Blue LED light may also be effective in treating dandruff and other scalp conditions, such as seborrheic dermatitis. A study published in the Journal of Cosmetic and Laser Therapy showed that blue LED therapy can reduce the presence of fungus on the scalp and, consequently, improve the condition of dandruff.
References:
Avci, P., Gupta, A., Sadasivam, M., Vecchio, D., Pam, Z., & 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.
Kim, H. S., & Kim, J. H. (2013). Phototherapy for the treatment of alopecia. Dermatology research and practice, 2013.
Lim, W., Park, S.H., & Kim, J.H. (2013). Comparison of the efficacy and safety of LED phototherapy with blue versus red wavelengths for treating acne vulgaris: a randomized, double-blind, controlled study. Journal of the American Academy of Dermatology, 69(4), 626-632.
Park, MY, Kwon, HH, & Yoon, JY (2014). LED phototherapy improves hair growth in men and women with androgenetic alopecia: a randomized controlled trial. Journal of cosmetic and laser therapy, 16(3), 132-137.
Text: Ton Toffanello
