Vitalizing and cleansing pre-shampoo from Kérastase that deeply cleans the scalp. Use before the hair bath, as this Pré,Cleanse Régénérant removes more pollution particles than a regular shampoo. The formula, which contains hyaluronic acid, helps to moisturize the hair. It has a rich, luxurious black gel texture, providing a sensory experience. It has Chronologiste's signature scent: a fine scent with tea, rose, light woods and musk.