Number 4 colour safe shampoo for coloured hair with progressed thinning is the first step in Nioxin's 3 part regime. It prepares hair and scalp for a complete hair thickening treatment.
Number 4 colour safe shampoo for coloured hair with progressed thinning is the first step in Nioxin's 3 part regime. It prepares hair and scalp for a complete hair thickening treatment.