Trusted by professionals to give the best of nature for your hair. Biolage Scalpsync Aminexil Hair Treatment has anti-hair loss efficacy proven under dermatological control. It helps anchor hair in the scalp and reduce hair loss. Stimulates the scalp with massaging and prolongs hair lifespan by controlling hair loss from the roots. Apply to dry or shampooed, towel-dried hair. Use applicator tip to apply the entire contents of one ampoule at the roots of the hair. Gently massage the tonic into the scalp, working section by section. Do not rinse out. Style as usual. Use one ampoule every day for 6-8 weeks, or at least three times a week. To optimize the effect, repeat the treatment series twice a year.