L'Oreal SE21 Blondifier Masque replenishes, smoothes and nourishes the hair fiber, enhancing shine and radiance of blonde hair. Resurface and illuminate blonde hair with the Blondifier mask. This nourishing mask is enriched with Polyphenols present in the Açai berry extract. It helps to replenish, smooth & nourish the hair fiber, enhancing shine and radiance of blonde hair.