May 2024 in “Journal of cosmetic dermatology” A shampoo with caffeine and adenosine may help prevent hair loss and thicken hair.
August 2025 in “Journal of Cosmetic Dermatology” The shampoo with DMG-Na and caffeine effectively reduces hair loss and improves hair density in men.
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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.
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July 2017 in “Journal der Deutschen Dermatologischen Gesellschaft” Topical caffeine improves hair loss intensity, speed, and shedding, and works better with minoxidil/azelaic acid.
February 2025 in “Healthcare” Caffeine may help with hair loss, but more research is needed.