The Nioxin Scalp Revitaliser 6 for Medium Thick Natural & Coloured Hair is a fantastic conditioner, with a lightweight formula that's specially designed to enrich & nourish your hair. Nioxin have developed systems that are tailored for individuals needs. This Nioxin Scalp Revitaliser 6 for Medium Thick Natural & Coloured Hair is a high performance conditioner that revives your scalp & strengthens hair. Directions of use: After cleansing, distribute onto scalp & throughout the hair. Leave for 1-3 minutes. Rinse well.