Nioxin System 4 Trial Kit is specially formulated for coloured or chemically treated hair with progressed thinning. This complete 3-step system helps strengthen hair structure, protect colour vibrancy, and refresh the scalp for fuller-looking, healthier hair.Powered by Niacinamide, Biotin, Caffeine, and Colour-Safe Technology, Nioxin System 4 works to remove follicle-clogging impurities while reinforcing hair resilience and reducing breakage. Ideal for clients experiencing noticeable thinning who want thicker-looking hair without compromising colour.Key Benefits Designed for coloured or chemically treated hair with progressed thinning Helps reduce hair breakage and thinning Refreshes and revitalises the scalp Strengthens hair structure for fuller-looking results Maintains colour vibrancy with gentle, colour-safe formulas Kit Includes Nioxin Cleanser Shampoo 150ml Nioxin Scalp Therapy Conditioner 150ml Nioxin Scalp & Hair Treatment 40ml How to Use Cleanse with Nioxin Cleanser Shampoo, massage into scalp and rinse Apply Scalp Therapy Conditioner, leave for 1–3 minutes and rinse Apply Scalp & Hair Treatment evenly to scalp and do not rinse Ideal For Coloured or chemically treated hair Noticeable or progressed thinning Daily scalp and hair care maintenance
