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 HOW TO USE Before going to sleep, massage 2-4 pumps into lengths and ends of dry hair. Leave in overnight: wear a bun or braid for reduced morning frizz. No need to rinse in the morning. In case of contact with eyes, rinse them immediately and thoroughly. Perfect for any blonde who needs a little extra TLC. It repairs your hair while you sleep. Just like your nightly face cream, you apply before bed on your mid-length and ends, no need to wash in the morning. You can also use this serum in the morning to plump your ends, add strength and with a lightweight feel throughout the day.