April 2024 in “Acta scientific dental sciences” Improving oral hygiene and quitting smoking can resolve black hairy tongue.
153 citations,
October 2012 in “Skin Pharmacology and Physiology” Caffeine in cosmetics may reduce cellulite, protect skin, and stimulate hair growth, but more research is needed on its use and effects.
8 citations,
January 2020 in “Skin Pharmacology and Physiology” Caffeine improves hair growth, thickness, and reduces shedding.
5 citations,
January 2020 in “Journal of Dermatology and Dermatologic Surgery” Caffeine may benefit skin and hair health but more research is needed to confirm its effectiveness in dermatology.
2 citations,
July 2018 in “Elsevier eBooks” Some supplements may help with hair loss, but there's not enough strong evidence to recommend them without doctor advice.