J Biol Chem 284:19902000 [DOI] [PMC free article] [PubMed] [Google Scholar] Zheng H, Chu J, Qiu Y, Loh HH, Law PY
The three ingredients with the strongest documented mechanisms for supporting melanin production in hair follicles are Bhringraj (which upregulates tyrosinase expression, the enzyme that synthesises melanin), Amla (which provides concentrated antioxidant protection to melanocytes and supports copper absorption for tyrosinase activity), and Mulethi (which contains glabridin, a compound that inhibits the enzyme responsible for melanin breakdown)
Sleep health A large share of DSIP studies on sleep health have been animal studies, but a few human trials took place in the 1980s
How GHK-Cu fits with everything else in perimenopausal skin and hair care This is the conversation that matters most clinically
That decline tracks with a lot of what we associate with aging: slower wound healing, thinner skin, and yes, hair loss