A full three-step routine for colour-treated hair with progressed thinning. Nioxin System 4 Kit combines scalp-focused cleansing, lightweight conditioning and leave-in treatment for dry, damaged or colour-treated hair with progressed thinning. Used together, the system removes buildup, supports manageability and helps hair look thicker, fuller and more resilient without a heavy feel.

Why you'll love it
A full three-step routine for colour-treated hair with progressed thinning
Creates an easy, coordinated at-home routine
Designed for dry, damaged or colour-treated hair with progressed thinning
Fits easily into a consistent Nioxin at-home routine

How to use: Use the included steps in order, following the directions on each product label.