Klorane Hair Serum Cupuaçu Bio a non-rinse repairing and heat protecting treatment that combines the highly nourishing and repairing power of organic cupuaçu butter with the protective and repairing action of plant-based hyaluronic acid. Its formula contains 95% natural ingredients that help repair deeply dry, weak, and highly damaged hair from the lengths to the ends, while also filling in deep gaps. Its anti-breakage action provides immediate and long-lasting protection against damage and heat. Hair regains its elasticity, natural shine, and becomes soft to the touch.