A lightweight serum to restore hair fiber overnight. Recovers sensitized and bleached hair throughout the night. Delivers a deep and durable hair hydration. Overnight recovery for a morning hairstyle with frizz control. 89% less hair breakage*. 74% smoother hair*. Reduces the appearance of split ends by 53%**. Visibly reduces the appearance of surface damage on hair. Recovers & restores hair damage overnight Protects against breakage and split ends Hydrates hair for a luminous, smoother appearance Instrumental test after application of the tested condition (US) *vs non-conditioned shampoo ** vs unwashed hair