The Nioxin Scalp Treatment 2 for Fine Natural Coloured Hair is an ingenious product designed to give your hair a boost of thickness. This treatment cleans and cleanses your hair from root to tip leaving it refreshed and revitalised. Formulated with hard working antioxidants and botanicals to refresh the scalp environment this Nioxin Scalp Treatment 2 for Fine Natural Coloured Hair is the third step in this advanced system to restore thickness to hair. Directions of use: Apply directly to entire scalp. Gently massage into scalp. Do not rinse.