Achieve thicker, fuller-looking hair and restore moisture balance with Nioxin’s 3-part System 4 for Coloured Hair with Progressed Thinning. This unique set of 3 thinning hair products helps strengthen hair resilience against cuticle damage, reduces hair fall due to breakage and delivers denser-looking hair. This professional thickening Nioxin treatment cleanses, optimises and treats coloured hair, leaving it moisturised and vibrant. Nioxin Cleanser Shampoo 4 (300ml): removes sebum and environmental residues from the scalp and hair. Nioxin Scalp Therapy Revitalising Conditioner 4 (300ml): a lightweight conditioner that helps provide hair resilience and control moisture balance. Nioxin Scalp & Hair Treatment 4 (100ml): helps prevent hair loss due to breakage, providing a refreshed scalp environment.