Target thinning whilst deeply hydrating locks with the NIOXIN 3-Part System 4 Scalp Therapy Revitalizing Conditioner; a thickening, colour-protecting treatment that helps to restore moisture balance, boosting resilience to coloured hair with progressed thinning.Enriched with Pro-Color Shield Technology to help remove follicle-clogging sebum, fatty acids and environmental residue from the scalp and hair, the thickening formula unleashes the volumising powers of Bioamp and Scalp Access Delivery 2.0. These two technologies work in tandem to improve thickness, control moisture balance, amplify hair structure and deliver UV-protection.Suitable for coloured, thinning hair.