vichy dercos detox dry shampoo specially formulated for the hair and scalp which tends to get oily quickly.Dry shampoo that rapidly refreshes the scalp by absorbing excess sebum in less than one minute. This shampoo regulates scalp sebum and odor for an instantly refreshed appearance. It contains Spirulina, which has detoxifying properties and protects against free radicals due to its antioxidant and anti-pollution action; Activated Charcoal has absorbing and purifying properties due to its action of removing impurities from the hair; and Caulin powder absorbs excess oil, instantly purifying the scalp.