Product details Blond Absolu 2% Pure Hyaluronic Acid Serum by KÉrastase is a hydrating, repairing blonde hair and scalp serum. It’s our ultimate blonde repair serum for bleached blondes, as it contains Hyaluronic Acid - with our highest concentration of Macro and Micro Hyaluronic Acid - the formula helps repair the look of surface damage of the hair and moisturises the scalp whilst leaving the hair feeling hydrated. This clear gel serum, with a lightweight texture, respects the skins natural barrier function and leaves the scalp with a feeling of comfort. Tested on freshly bleached hair, this KÉrastase serum repairs the look of surface damage in one use*, for stronger blonde hair, that is replenished, feels plumper and beautifully hydrated. Just like with skincare, you can layer 2% Pure Hyaluronic Acid Serum with Blond Absolu Huile Cicaextreme hair oil, to seal in the care. Reduces the look of surface damage in one use* YouDareWeCare *Instrumental test Suitable for Ultraviolet care for lightened hair How to use STEP 1 Apply to towel-dried hair. 4 doses depending on the lengths and 4 doses on the scalp. 1 dose = 1 pump. STEP 2 Massage gently. Seal ends with Huile Cicaextreme for ultimate repair and hydration. STEP 3 Proceed to blow dry or airdry. Hazards and Cautions In case of contact with eyes, rinse them immediately Important info Ingredients AQUA / WATER / EAU • GLYCERIN • SODIUM HYALURONATE • HYDROXYETHYLPIPERAZINE ETHANE SULFONIC ACID • PHENOXYETHANOL • CITRIC ACID • PEG-40 HYDROGENATED CASTOR OIL • CHLORPHENESIN • TETRASODIUM GLUTAMATE DIACETATE • LIMONENE • PARFUM / FRAGRANCE •