April 2026 in “Cosmetics” In this randomized, double-blind, placebo-controlled trial, researchers found that a multi-targeted cosmetic formulation containing TrinogeniX™ significantly increased hair density and thickness in individuals with androgenetic alopecia without adverse effects, suggesting it as a potential safe and effective treatment option.
December 2025 in “Molecules” This study found that the 15-PGDH inhibitor DPP improved endothelial function in hair-related cells exposed to DHT by reducing oxidative stress and enhancing angiogenic capacity.
July 2024 in “International Journal of Molecular Sciences” This study explored the effects of DPP, a 15-PGDH inhibitor, on human follicle dermal papilla cells damaged by dihydrotestosterone and observed that DPP enhanced wound healing, reduced reactive oxygen species, and increased hair growth in ex vivo human hair follicle cultures.
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March 2008 in “Experimental Dermatology” This study identified a thiazolidine dione derivative as a potential inhibitor of 15-PGDH that may enhance prostaglandin activity in hair follicles, suggesting its use to support hair regrowth treatments.
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November 2012 in “Biomolecules & therapeutics” This study found that diphlorethohydroxycarmalol significantly increased prostaglandin $E_2$ synthesis in HaCaT human keratinocytes by upregulating COX-1 and COX-2 expression, suggesting potential benefits from elevated $PGE_2$ production.