The nioxin 3 part system loyalty kit 4 for coloured hair with progressed thinning is an expert trio designed to promote the appearance of thicker, fuller locks. The three step treatment offers a burst of hydration for colour treated hair while helping to promote a healthy looking vibrancy. Set contents cleaner shampoo 4 300ml a nourishing shampoo designed to cleanse both hair and scalp of dirt, excess sebum and impurities for a refreshed surface. Nioxin scalp therapy revitalising conditioner 4 300ml a fortifying conditioner designed to envelop tresses in a strengthening treatment while helping to replenish both hair and scalp with hydration. Nioxin scalp hair treatment 4 100ml an innovative treatment formulated to soothe damaged strands, helping to protect the locks from further breakage while revitalising the scalp.