NIOXIN System 2 Leave in Treatment Scalp + Hair Thickening 3.3 fl ozNioxin Pro Clinical's System Kit 2 is designed for natural, untreated hair with progressed thinning. Clinically and dermatologically tested, the hair thickening treatment nourishes and strengthens each strand of hair from root to tip, resulting in thicker, fuller hair. Benefits Thickens the hair: Nioxin System Kit 2 is clinically designed to add thickness and fullness to natural hair with progressed thinning, with visible results in just 30 days.

Washes away impurities

Activated Charcoal: Absorbs toxins

and other items chosen specifically for your palette

Cocamidopropyl Hydroxysultaine*

9 out of 10 users noticed a healthier scalp and longer-looking hair after use

or heavy fragrances

-Apply to damp hair from mid-lengths to ends before styling

- Hemisqualane and Squalane: Reinforce hair's moisture barrier

Hydrogenated Castor Oil*

built around the three pillars that determine whether hair color looks harmonious or “off” on you: undertone

Thickens the hair: Nioxin System Kit 1 is clinically designed to add thickness and fullness to natural hair with light thinning

irritation