Conditioning mask, which maximizes and prolongs the cosmetic effect of the straightening treatment, in salon and at home. The hair is visibly smoother and softer, nourished and well protected from external damages.In the hair salon: Once the hair has been fully straightened, wet the hair with plenty of water and apply the mask all over the head. Comb to distribute it evenly. Let it rest 3-5 minutes, then rinse it off and blow-dry it. At home: after cleansing the hair with the α-keratin Maintenance Shampoo, apply it evenly and Let it rest 3-5 minutes. Rinse it off with water and blow-dry it.