October 2013 in “Journal of Medicinal Plants Research” The herbal cleanser increased hair growth in rats without harming their skin.
September 2017 in “Journal of Investigative Dermatology” The new scalp treatment preserves hair color, reduces hair loss, and maintains hair strength.
128 citations
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September 2003 in “Journal of Ethnopharmacology” Hibiscus rosa-sinensis leaf extract helps hair grow longer and faster.
February 2024 in “Pharmaceutical research” Hair follicles affect how well small molecules can pass through the skin, and this varies depending on the molecule's features.
6 citations
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January 2007 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Gray hair regained color after thyroid hormone treatment.