Nioxin Hair Booster Serum 100ml - an advanced leave-in hair treatment designed to nourish and strengthen your hair from the root to tips. The treatment works by strengthening weak, fragile strands, promoting a healthy environment for hair growth. It protects the thickness of the hair strand and forms a protective barrier against hair damage to the follicle. Formulated with powerful ingredients like wild mint oil, panthenol, and peppermint oil.