Transform Your Tresses! 🌟 Infused with botanicals and antioxidants for a nourishing scalp experience. Strengthens hair resilience to minimize breakage and promote fullness. Protects your hair color while enhancing thickness and density. Experience a noticeable thickening effect with 85% of users reporting results. Gently cleanses and revitalizes your scalp for optimal hair growth. Nourishing botanicals 85% thickening effect Visible results in 30 days Nioxin System 4 Scalp + Hair Conditioner is a clinically designed hair thickening conditioner specifically formulated for damaged, color-treated hair with progressed thinning. With visible results in just 30 days, it supports scalp health, reduces hair thinning, and nourishes the scalp with a blend of botanicals and antioxidants.