The Nioxin System 4, 3 Part Kit for Colored Hair with Progressed Thinning is a kit that helps to support fuller, thicker hair whilst protecting it against damage. Breakage is reduced and hair's resilience is increased. System 4 is suitable for colour treated hair with progressed thinning.

The kit contains Nioxin System 4 Step 1 Cleanser Shampoo 150ml, Nioxin System 4 Step 2 Scalp Therapy Revitalizing Conditioner 150ml , Nioxin System 4 Step 3 Scalp & Hair Treatment 50ml all for coloured hair with progressed thinning.

Gently massage the shampoo onto hair and scalp and rinse well. Follow with the conditioner, apply from scalp to ends and leave on for 1 to 3 minutes then rinse off. Then finish with the Scalp & Hair Treatment. Shake the bottle well and then apply evenly to the entire scalp. Do not rinse.