Nioxin Scalp + Hair Thickening System 4 Full Size Kit for Damaged Hair with Progressed Thinning Straightening helping to increase definition and

helping to increase definition and cut down on frizz

Rinse until the water is clear

making it shiny and easy to manage

Features a unique grip handle to enhance natural grip

exclusivity to the hair industry

Nioxin Scalp + Hair Thickening System 4 Full Size Kit for Damaged Hair with Progressed Thinning Straightening helping to increase definition andNioxin Pro Clinical's System Kit 4 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