Nioxin – Scalp + Hair Thickening System 1 Leave On Treatment 6.7 oz

Nioxin Scalp + Hair Thickening System 1 Leave On Treatment is designed for natural, untreated hair showing early signs of thinning. This lightweight formula strengthens each strand from within while supporting scalp health and circulation. Niacinamide nourishes the roots, wild mint oil stimulates follicles, and caffeine promotes healthy growth. The result is visibly thicker, fuller hair with improved body and resilience.

This sulfate-free leave-on treatment works as the final step in the System 1 regimen, delivering targeted nourishment without weighing hair down. Clinical testing shows visible improvement in hair thickness in just 30 days. The protective formula helps reduce breakage while creating an optimal scalp environment for healthier, stronger strands.

How to Use

Product Details

Formula: Sulfate-Free

Size: 6.7 oz