hormone commonly taken for sleep aid has some topical benefits for hair
mTOR regulator and immunosuppressant used more recently for anti-aging and hair regrowth
JAK inhibitor that reduces inflammation and immune attacks on hair follicles, leading to potential hair regrowth, especially in alopecia areata cases
technique to create small wounds in skin to activate collagen production and hair growth
a potent but unapproved and potentially problematic topical anti-androgen