A color-locking & conditioning hair wash Features a mild, low-foaming & sulfate-free formula Helps gently cleanse & protect colored & highlighted hair in one step Combines new pH 4.5 Balancer Technology with Lactic Acid & Calcium Hydroxide Tightens & stabilizes hair matrix at its optimal pH of 4.5 Deeply freezes color pigments inside hair matrix for ultimate color perfection & anti-fade effect Leaves hair soft, smooth & manageable with vibrant color