Procerin Shampoo contains naturally derived ingredients to block DHT, promote a healthy scalp and revitalize hair follicles for hair regrowth. Procerin Scalp Therapy Shampoo’s special formulation helps to reverse hair loss as it gently and naturally removes dihydrotestosterone (DHT) while blocking the formation of new DHT. IN addition to powerful natural DHT blockers, Procerin Shampoo is enriched with panthenol and olive leaf extract to repair, thicken and strengthen existing hair follicles while combating further loss. For best results, use with Procerin tablets and XT Foam. For Men Only, made in the USA.