Inforcer Masque, for strengthening fragile hair. With a Biotin and B6 vitamin-enriched boost, this reinforcing masque is designed to target breakage and split ends, leaving hair soft and healthy. With continued use, Inforcer masque will help your hair become more resistant and stronger. Inforcer Masque is enriched with Biotin amd B6 – known for their strengthening properties. Recommended for: Fragile and breaking hair, especially long hair. For best results, use in conjunction with: Serie Expert Inforcer Shampoo.