April 2024 in “Acta scientific dental sciences” Improving oral hygiene and quitting smoking can resolve black hairy tongue.
153 citations
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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
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January 2020 in “Skin Pharmacology and Physiology” Caffeine improves hair growth, thickness, and reduces shedding.
5 citations
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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
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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.