Nioxin SYS3 Care System Trial Kit for Coloured Hair with Light Thinning amplifies hair texture and restores moisture balance. System 3 is specially designed for normal to thin-looking, fine, chemically treated hair. It amplifies hair texture while refreshing the scalp and providing moisture balance to coloured hair.- Nioxin Cleanser 3, 150ml/300ml - derma-purifying shampoo helps prepare for a complete thickening treatment. Specially developed for colour-treated hair with light thinning, the professional shampoo performs a deep cleanse on the hair and scalp.- Nioxin Revitalizing Conditioner 3, 150ml/300ml -  professional formula delivers long-lasting moisture and hydration, whilst enhancing colour vibrancy for radiant, healthy-looking hair. Thinning hair looks denser and fuller.- Nioxin Scalp Treatment 3, 50ml/100ml - leave-on scalp treatment has been specially developed for chemically-treated hair experiencing light thinning. Encourages thicker-looking hair while refreshing the scalp and adding a healthy shine to tresses.! 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!