A hydrating skincare serum, now for hair. Kérastase presents the new Blond Absolu 2% Pure Hyaluronic Acid Serum, a hydrating, repairing serum for bleached blonde hair and scalp. The lightweight texture of this scalp serum preserves the scalp barrier, leaving only a feeling of comfort. Tested on freshly bleached hair, this Kérastase Blond Absolu serum repairs damage in one use, resulting in stronger blonde hair that is replenished, plumper and intensely hydrated. Kérastase Blond Absolu serum repairs damage in one use, *for 95% stronger blonde hair.** This product is one of the key elements on how to maintain blonde hair in pristine condition. How to Use STEP 1 Apply the Hyaluronic Acid Serum on towel dried hair apply as needed on hair lengths and 7 pumps on the scalp. STEP 2 Massage gently. Do not rinse. Avoid eye area. Seal ends with Huile Cicaextreme for ultimate repair and hydration. STEP 3 Proceed to blow dry or air dry.