36 citations,
December 2002 in “Experimental dermatology” Barley extract, specifically procyanidin B-3, can promote hair growth and counteract growth inhibition.
7 citations,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
1 citations,
October 2017 in “Food Additives & Contaminants: Part A” A new minoxidil-like substance, triaminodil, was found in an illegal hair growth supplement.
2 citations,
December 2018 in “Natural Product Research” A new compound from fermented papaya may help stimulate hair growth.
63 citations,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.