technique to create small wounds in skin to activate collagen production and hair growth
the stimulant you know and love can be used topically to stimulate hair
Hair transplantation moves DHT-resistant follicles from a donor area (back and sides of the scalp) into thinning or bald areas. The transplanted hair is generally permanent, though surrounding native hair can keep thinning.
the gold standard retinoid in dermatology that's also helpful for hair regrowth alongside Minoxidil