Nioxin SYS5 Care System Trial Kit for Chemically Treated Hair with Light Thinning amplifies hair texture while refreshing the scalp and delivering a healthy shine and protecting against breakage.With cystine amino acids and lightweight conditioning and treatment ingredients. Helps provide thicker-looking hair by increasing the fullness of each hair strand, reducing hair loss by strengthening against damage and breakage.Antioxidants, botanicals, vitamins, and purifying agents to help clean away follicle-clogging sebum and environmental residues from the scalp skin, leaving the scalp feeling clean and refreshed.White tea provides a refreshed scalp environment and healthy shine to natural hair.- Nioxin Cleanser 5, 150ml/300ml - helps to remove follicle-clogging sebum, fatty acids and environmental residues from the scalp skin and hair. Cleanses to provide thicker-looking hair.- Nioxin Revitalizing Conditioner 5, 150ml/300ml - is a lightweight conditioner that helps provide hair resilience and control moisture balance.- Nioxin Scalp Treatment 5, 50ml/100ml - contains antioxidants and botanicals that help to provide a refreshed scalp environment. ! Small set is enough for one month, Medium - for two months. For best results, it is recommended to use it for at least a few months!