Kallos Pro Tox Hair Mask 500ml With keratin, collagen and hyaluronic acid that integrate perfectly into the overall structure of the hair, it strengthens weak, fine and dry hair. Thanks to its active ingredients: Penetrates deep into the hair shaft. Panthenol, walnut oil and olive oil for hydration and nourishment. Revitalizes weak and damaged hair, while giving it shine. Gently cleanses. Coconut oil and olive oil for intensive nourishment and hydration. Through its use, hair acquires a perfectly structured, luminous and healthy texture.