This moisturizing serum from Kérastase repairs the surface of bleached or highlighted blonde hair. Infused with hyaluronic acid, an ingredient known for its hydrating and plumping properties, this treatment repairs damage in just one application for stronger, more resistant hair. Details: FEATURES: Moisturizing serum Repairs damage to the surface of the hair Makes blonde hair 95% stronger Provides supreme hydration for 3 days Moisturizes scalp and hair Provides a feeling of comfort Preserves the scalp barrier Clear gel Light texture Leave in product Paraben free Silicone-free Recyclable bottle HOW TO USE: Apply 7-13 doses to towel-dried hair depending on hair length and 7 doses to scalp Gently massage Air dry or with a blow-dryer