Revivogen scalp therapy slowed the progression of hair loss and increased hair thickness of the frontal and bi-temporal hairline of scalp , anterior mid -scalp area, vertex(crown )for both males and females.-the main active ingredients in the revivogen formula have been scientifically proven to reduce the production of dht by blocking the activity of the 5-alpha-reductase enzyme. this enzyme converts testosterone to dht and is present in the hair follicles and scalp at high levels. other ingredients in revivogen block the sensitive androgen receptors and stimulate hair growth. by blocking the activity of the 5-alpha-reductase enzyme and lowering the concentration of dht in the scalp& the hair follicle, revivogen helps revitalize and protect the hair follicle in treatment of androgenic and non androgenic alopecia.