Repair and fortify damaged, color-treated hair with Pureology’s Strength Cure Shampoo. This sulfate-free, vegan formula lifts away buildup without stripping, while delivering protein-powered repair and stronger strands. Infused with Keravis® plant protein and Astaxanthin antioxidants, it helps restore up to 99% of hair’s original strength
 
How to use:
Apply a small (dime-to-quarter sized) amount to wet hair, massaging into the scalp. Work down the lengths and ends, then rinse. Repeat if needed. Follow with Strength Cure Conditioner for best results.