hormone commonly taken for sleep aid has some topical benefits for hair
herb and oil thought to stimulate skin and hair
a copper peptide showing promise in both regrowth and reversing gray hair
JAK inhibitor that reduces inflammation and immune attacks on hair follicles, leading to potential hair regrowth, especially in alopecia areata cases
compound that activates Wnt/β-catenin to promote hair regrowth and create new hair follicles