Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
15 citations
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June 2015 in “Human Cell” This study found that forming spheroids using silicone micro-wells improved the viability and neural differentiation potential of human adipose-derived stem cells after thawing.
October 2025 in “Journal of Investigative Dermatology” Hair follicle dermal stem cells help control hair growth timing by regulating signals at the hair germ–dermal papilla interface.
September 2015 in “International Society of Hair Restoration Surgery” This article discusses the role of hair follicle stem cells in potential breakthroughs for hair cloning and follicular cell implantation, but reports no new clinical findings.
August 2026 in “Tạp chí Dược liệu” In this study, Curcuma longa, Eclipta prostrata, and Pogostemon cablin extracts were found to significantly promote human dermal papilla cell proliferation, while Chrysanthemum indicum and Eclipta prostrata exhibited strong antioxidant activities, indicating their potential for hair growth-promoting formulations.