In this study, a polyphenol and biotin supplement improved skin roughness and significantly reduced hair shedding, but did not demonstrate clear superiority over placebo in overall skin outcomes.
99 citations
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July 2005 in “Ultramicroscopy” This study analyzed the nanotribological properties of various hair types and human skin, revealing differences in friction and adhesion based on ethnicity and hair condition.
1 citations
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September 2017 in “Journal of Investigative Dermatology” This study reported that introducing the TERT and Bmi1 genes into mouse dermal papilla cells resulted in immortal cells capable of inducing new hair follicles in vivo, and human immortal DPCs were also developed.
September 2017 in “Journal of Investigative Dermatology” Certain products and treatments can improve hair health and growth.
3 citations
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July 2025 in “Acta Biomaterialia” In this study, AFM-based indentation was used to assess mechanical properties of murine skin wounds at two healing stages, revealing that early wounds exhibit stiffer hyperproliferative epithelium compared to granulation tissue, and highlighting significant influences of surface roughness on tissue stiffness measurements.