Niacinamide & Active Extracts Hair Growth Tonic 18,99 € 250 ml A leave-in scalp tonic with niacinamide, nettle and birch leaf extracts, designed to support hair follicles and healthy hair growth while providing deep hydration to the scalp. SUPPORTS HAIR FOLLICLES · HYDRATES THE SCALP · NON-GREASY Add to cart Add to wishlist Compare