1 citations
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December 2022 in “Pharmaceuticals” Noni fruit extract, specifically the FEA-3 sub-fraction, can increase hair growth and reduce baldness in male rabbits, potentially acting like common hair loss treatments.
28 citations
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July 2007 in “Development” TAF4 is important for skin cell growth and helps prevent skin cancer in mice.
51 citations
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November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
31 citations
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November 2003 in “Journal of Occupational Health” Thioglycolic acid in hair products may pose reproductive and cancer risks for hairdressers.
23 citations
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January 2001 in “International journal of toxicology” St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.