Low doses of certain Chinese herbs can promote hair growth, while high doses may inhibit it.
11 citations,
July 1999 in “Dermatologic Surgery” Corrective hair repair surgery can significantly improve appearance and quality of life for patients with unsatisfactory results from old hair transplants.
March 2007 in “The FASEB Journal” Henna mixed with PPD can cause skin reactions, scarring, and a specific type of baldness, and needs more research to understand these effects.
15 citations,
January 1995 in “Archives of dermatological research” OCT binds strongly to hair sheath cells and may affect skin and hair growth with fewer side effects than vitamin D3.
10 citations,
January 2016 in “Elsevier eBooks” Nanoparticles can speed up wound healing and deliver drugs effectively but may have potential toxicity risks.