Nioxin – Scalp + Hair Thickening System 4 Conditioner 16.9 oz

Nioxin Scalp + Hair Thickening System 4 Conditioner strengthens color-treated hair while nourishing a dry, stressed scalp. Formulated with niacinamide, biotin, and caffeine, this lightweight conditioner hydrates from root to tip and helps improve hair resilience against breakage. With daily use, hair looks fuller, denser, and visibly healthier.

Designed for medium hair showing progressed thinning, this conditioner supports a balanced scalp environment while delivering moisture without weight. The formula includes botanicals, antioxidants, and UV protection to maintain scalp and hair condition over time.

How to Use