19 citations,
February 2018 in “Lasers in Medical Science” Red light and LED treatments help hair grow by activating a specific cell signaling pathway.
2 citations,
January 2007 in “Journal of The American Academy of Dermatology” Red and infrared light therapy improves hair growth in balding patients.
117 citations,
September 2013 in “Lasers in Surgery and Medicine” Red light therapy at 655 nm significantly improved hair growth in men with hair loss.
81 citations,
August 2014 in “Lasers in Surgery and Medicine” Red light therapy is safe and effectively increases hair growth in women with hair loss.
2 citations,
March 2021 in “Dermatologic Therapy” Low-level laser therapy helps increase hair growth in female pattern hair loss but not in telogen effluvium.