Kerastase - Specifique Divalent Shampoo 250mlBalancing shampoo for oily roots, and sensitized lengths. Purifies the scalp to reduce excess oil and odors. An ultra light formula that balances scalp oiliness: Purifies the scalp to reduce excess oil and odors. How to Apply: Daily use, apply to wet hair, massage, and rinse. Key Ingredients: Amino acid: a dual action active with unique hair affinity to regulate the sebum cycle and rebalance hydration: Gently cleansing attracts and traps dirt in