5 citations,
October 2020 in “Giornale italiano di dermatologia e venereologia” The phyto-caffeine shampoo reduced hair loss and improved hair strength in women with hair thinning.
8 citations,
January 2020 in “Skin Pharmacology and Physiology” Caffeine improves hair growth, thickness, and reduces shedding.
31 citations,
February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
Caffeine can potentially treat common hair loss by counteracting hair follicle shrinkage caused by hormones.
3 citations,
April 2019 in “Journal of Dermatological Treatment” Caffeine shows promise for treating some types of hair loss, but more research is needed.