The heat-protective serum for blonde hair Kérastase Blond Absolu Cicaplasme instantly smooths and unifies damaged areas of the hair fiber, delivering softness and lightness for beautiful blonde hair. Enriched with a UV filter and antioxidants, the serum protects against heat up to 230 °C. The formula, infused with hyaluronic acid and edelweiss extract, instantly restores, softens, and protects hair from damage. Hair is less prone to breakage, looks more uniform, is protected from everyday pollution, and is deeply hydrated without weighing it down.