14 citations,
March 2012 in “Lasers in Surgery and Medicine” A low-power, fast laser safely reduces hair with minimal pain and few side effects.
9 citations,
November 2000 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” Dyeing hair can help target and destroy hair follicles selectively.
13 citations,
September 2014 in “Journal of photochemistry and photobiology. B, Biology” UV radiation increases protein loss from hair and reduces hair protein quality.
53 citations,
November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
3 citations,
December 2022 in “Cells” Cannabinoids like CBD and THC may help treat non-cancer skin diseases, but more research is needed.