Clears the hair of follicle blocking sebum, fatty acids and residues The Nioxin System 4 treatment clears the hair of follicle blocking sebum, fatty acids and residues. In addition it hydrates the hair whilst improving hair fullness, resilience and protecting hair colour. Suitable for coloured hair with progressed thinning.Step 2 in the full System 4 treatment, the Color Safe Scalp...
