July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that apocynin restored COL17A1 expression in human keratinocytes and reduced UVB-induced cellular senescence, DNA damage, and cell cycle arrest.
62 citations
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November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
November 2022 in “Journal of Investigative Dermatology” This study found that apocynin restored collagen production, reduced DNA damage and senescence, and protected skin stem cells from aging in UVB-exposed human keratinocytes.
1 citations
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October 2022 in “Bioengineering” This study found that adding keratin to a collagen hydrogel improved keratinocyte differentiation compared to a pure collagen hydrogel, particularly when calcium was also present in the media.
3 citations
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December 2024 in “Biomolecules & Therapeutics” This study found that Tanshinone I and Tanshinone IIA from Salviae Miltiorrhizae Radix inhibited Nox activity heightened by testosterone in a mouse model, reducing H₂O₂ production and cell apoptosis, and reversing testosterone-induced hair growth suppression, suggesting their potential as treatments for androgenetic alopecia.