Nioxin 3-part System Loyalty Kit 3 for coloured Hair with light Thinning: System 3 leaves hair thicker, denser-looking and with a vibrant colour. System 3 is formulated to remove follicle-clogging sebum, fatty acids and environmental residues, while amplifying hair texture, providing moisture balance and colour protection.Helps you achieve noticeably smoother and denser-looking hair.Delivers thicker, fuller hair with smooth control by removing follicle-clogging sebum.Restoring the moisture level and providing colour protection.