147 citations
,
September 2006 in “Developmental Cell” Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.
Sinapic acid and glabridin together help hair growth in androgenetic alopecia.
September 2025 in “Frontiers in Cell and Developmental Biology” Retinoic acid may help heal skin without scars by reducing fibrosis and supporting skin regeneration.
59 citations
,
March 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Smad-4 and Smad-7 are key in hair follicle development, with other Smads being less important.
October 2025 in “Biomedicines” Terminalia chebula fruit extract helps hair growth by reducing DHT and boosting hair cell activity.