Nioxin Density System 4 Scalp Therapy Conditioner is a color-safe solution engineered for colored hair with progressed thinning. As the second step in the 3-Part treatment, it strengthens the hair shaft, replenishes moisture, and helps strands look visibly thicker between washes. This 1000ml (33.8oz) bottle ensures sustained use with consistent performance, supporting your color-treated hair every day.

• Strengthens hair structure while replenishing moisture for colored, thinning hair.
• Pro-Shield Technology delivers color protection and enduring vibrancy for dyed strands.
• BioAMP technology balances water content and boosts elasticity to reduce breakage.
• Visibly thicker, fuller-looking hair with continued use—even as you color or highlight.
• Part of the Nioxin 3-Part regimen, designed to work in harmony with cleanser and scalp treatment.

Ideal for anyone seeking a targeted, color-safe conditioner that addresses thinning without compromising shade or texture. By focusing on moisture balance and cuticle health, this conditioner supports a healthier scalp environment and lasting volume. Enjoy practical advantages like easier detangling and improved manageability, making daily styling faster and more predictable.

Elevate your color-treated routine with Nioxin Density System 4—add to cart to begin a journey toward thicker, healthier-looking hair.