Vichy Dercos Nutrients Detox Purifying Shampoo is a purifying care shampoo for oily prone hair and scalp. Vichy Dercos Nutrients Detox Purifying Shampoo is effective anti-pollution and leaves hair lighter. Vichy Dercos Nutrients Detox Purifying Shampoo is indicated for women exposed to daily pollution that affects the production of sebum on the scalp.