The Kérastase Resistance Therapiste Shampoo, Conditioner and Serum Trio is a three-step treatment process that is designed to revitalise and transform lifeless, dull and tired hair. Each has a unique formula that will provide your hair with moisture and essential nutrients, leaving it smooth and healthy. The Kérastase Resistance Therapiste Shampoo has a unique jelly-like texture and will transform limp hair with its innovative FIBRA-KAP formula, delivering keratin-associated proteins (KAPs) to repair hair fibres, giving your hair a healthy, regenerated look. This product will envelop each hair fibre, renewing any split ends or brittle strands, and protecting your locks from any further damage. Following this up with the Kérastase Resistance Therapiste Conditioner will form a protective layer around your hair, providing protection and restoring moisture, leaving you with luscious, protected locks! And finally, the Kérastase Resistance Therapiste Serum is perfectly designed to help severely damaged and over-processed hair, leaving it hydrated, conditioned and unbelievably soft to the touch. This serum helps the natural structure of your hair, binding to the surface of your tresses and preventing split ends and breakages.