Pureology pure volume shampoo reveals natural fullness while infusing the hair with moisture and protecting colour from fading surfactants are an essential part of a shampoos cleansing system but many common surfactants known as sulfates can fade colour vibrancydesigned to gently cleanse without stripping colour pureologys zerosulfate shampoos include a mild cleansing system with no added salt to deliver a rich lather and help optimize colour retention pureologys exclusive antifadeco