Trichology Revitalizer Growth Activator 12% Hair Therapy – Scientifically proven to stimulate new hair growth due in large part to its high percentage of panthenol and cysteine, a keratin protein which is in and of itself the basic protein found in human hair. This highly concentrated preparation for home treatments contains biotin, Dexpanthenol, two vitamins, cysteine, cystine, methionine, and amino acids which are found in the hair shaft. It is believed to stimulate production of protein at the follicle level, reduce activity of the sebaceous glands and neutralize the activity of Alpha-Reductase (the enzyme responsible for the transformation of testosterone into dyhydrotosterone or DHT). In addition, it delivers “hair growth