Youth revitalizing purifying pre-shampoo to deeply cleanse scalp and roots. Used before your shampoo, Chronologiste Regenerating Pre-Cleanse Shampoo removes up to 96% more pollution particles than a regular shampoo. Hyaluronic acid helps hydrate and moisturize. With a thick luxurious black gel texture, the Chronologiste Regenerating Pre-Cleanse Shampoo is a sensorial experience. Infused with the signature Chronologiste scent of fine fragrances, including tea rose, light woods and musk.