Introducing the Kerastase Blond Absolu Cicanut Serum, a highly acclaimed serum with over 2,000 five-star reviews. This overnight hair treatment is specially designed for bleached hair, utilizing the power of hyaluronic acid and edelweiss flower to restore and repair damaged strands. Users have reported up to 89 percent less breakage and 74 percent more smoothness after using this serum. Say goodbye to damaged hair and hello to beautiful, healthy locks with Kerastase.