July 2024 in “Journal of Investigative Dermatology” Versican in dermal papilla cells is crucial for healthy hair growth.
24 citations
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December 2014 in “International Journal of Molecular Medicine” In this study, researchers found that petroleum ether extract of Eclipta alba significantly stimulated follicular keratinocyte proliferation and reduced TGF-β1 expression in nude mice, suggesting potential use for certain types of alopecia.
60 citations
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May 2014 in “British Journal of Dermatology” This study found that caffeine enhanced hair growth and keratinocyte proliferation in human hair follicles, with female follicles showing greater sensitivity than male ones.
115 citations
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August 2008 in “The Journal of Clinical Endocrinology & Metabolism” In this study, T3 and T4 were found to directly influence human hair follicles in vitro, enhancing keratinocyte proliferation, prolonging the hair growth phase, and affecting pigmentation.
18 citations
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November 2014 in “Journal of Agricultural and Food Chemistry” This study found that ethanol-extracted propolis stimulated hair growth in mice by promoting the proliferation of hair keratinocytes.