Nioxin Pro Clinical's System Kit 1 Scalp + Hair Thickening Treatment is designed for natural, untreated hair with light thinning. Clinically and dermatologically tested, this leave-on treatment strengthens each strand from within, resulting in thicker, fuller hair.

Infused with niacinamide, biotin, and caffeine, it nourishes the hair roots, stimulates follicles, and fortifies strands. The lightweight formula enhances thickness and fullness, adding body to your hair for a more voluminous look.

Benefits:
- Nourishing
- Enhances thickness
- Adds volume 
- Fuller hair