Reactive hair loss: stress, fatigue, diet, post-fat, seasonal change to a more concentrated formula that combines anti-fiber efficiency and beauty. 94%(2) thicker hair - 100%(2) shinier hair (1)% of volunteers on whom the anti-aging efficiency was noted by dermatologists during a multicenter study among 76 women, after 2 months of use. (2) % of volunteers on whom an improvement was noted by a hairdresser during a study with 31 women, after 1 month of use.