Nioxin Pro Clinical System 4 Shampoo scalp & hair shampoo 1000ml | 33.8 Fl.oz
Nioxin Pro Clinical System 4 Shampoo scalp & hair shampoo for mildly thinning hair 1000ml | 33.8 Fl.oz. HOW TO USE: Apply Nioxin System 4 Shampoo to damp hair and scalp. Massage gently and rinse thoroughly.