Nioxin Pro Clinical's System Kit 1 Shampoo is designed for natural, untreated hair experiencing light thinning. Clinically and dermatologically tested, this shampoo gently cleanses and nourishes the scalp, helping to prevent follicle-clogging sebum and promote thicker, fuller hair.

Formulated with a potent blend of niacinamide, biotin, and caffeine, it works to nourish the hair roots, stimulate follicles, and strengthen each strand.

Benefits:
- Gentle cleanse
- Nourishing
- Prevent follicle-clogging
- Thickening
- Fuller hair