September 2017 in “Journal of Investigative Dermatology” Blue light helps hair growth by affecting specific proteins in hair follicle cells.
70 citations,
April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Blue light can help hair grow by affecting certain receptors in hair follicles.
36 citations,
April 2016 in “Experimental Dermatology” Photobiomodulation may help with hair growth and wound healing, but research is inconsistent and needs better quality studies.
September 2017 in “Journal of Investigative Dermatology” Aging causes sweat glands to shrink, leading to skin issues, and blue light can help hair grow.