Inforcer Mask replenishes and transforms the look of fragile and damaged hair. A creamy formula for normal to fragile hair. Infused with Vitamin B6 and Biotin. A technology specially designed to tackle breakage and split ends. Enriched with strengthening properties of Biotin and Vitamin B6. With continued use the Inforcer mask helps your hair to become more resistant and stronger*. The reinforcing mask is recommended for: Fragile and breaking hair, especially long hair. For best results, use in conjunction with Serie Expert Inforcer Shampoo. *Brushing test. Shampoo, conditioner and mask vs classic shampoo on bleached hair