DS Laboratories Revita Hair Growth Conditioner stimulates new hair growth & keeps working long after its been rinsed. Having been evaluated during clinical trials, Revita COR provides significant scalp benefits, follicle health & an enhanced structure of hair strands to make it an ideal product for hair re-growth therapy. This conditioner regulates testosterone & stimulates follicles for increased life & condition. To Use: Clean hair first with Revita Hair Growth Shampoo then massage conditioner thoroughly into your scalp & leave for two minutes. Rinse thoroughly & use daily for optimum results.