Today's fast paced life-style, environmental damage & constant need to look great means we are challanging our hair on a daily basis, but now you can rediscover your hair's true potential with Nanokeratin products. Nanokeratin Re-Enhance Refining Shampoo for chemically treated / sensitised hair is sulphate & paraben free designed to gently cleanse & enhance highlights. The shampoo restores the vitality & shine of dry, frizzy hair, while the natural keratin layer is maintained to prevent protein loss to maximise the smoothing process