Nioxin Pro Clinical's System 4 - 1 Litre Duo is designed for dry, damaged, coloured hair with progressed thinning. Clinically and dermatologically tested, this complete scalp & hair thickening system thickens and strengthens your hair against breakage while providing colour protection. 8 out 10 users saw thicker, fuller hair in 30 days! Formulated with a powerful blend of niacinamide, biotin and caffeine to help nourish the hair root, stimulate hair follicles and strengthen the hair.

Includes:

1x Nioxin Scalp + Hair Thickening System 4 Shampoo 1 Litre

This shampoo nourishes and gently cleanses your hair to prevent against follicle-clogging sebum, resulting in thicker, fuller hair. Formulated with a powerful blend of niacinamide, biotin and caffeine to help nourish the hair root, stimulate hair follicles and strengthen the hair.

1x Nioxin Scalp + Hair Thickening System 4 Conditioner 1 Litre

This conditioner enhances scalp health by promoting a healthy environment for hair growth. Its lightweight, moisturising formula contains ingredients that strengthen the hair against damage and breakage, while promoting a healthier scalp.