Redken Extreme Strengthening Shampoo includes Redken's exclusive RCT Protein Complex to treat hair from the root, to the core, to the tip. The Extreme care system with Fortifying Complex, delivers protein and ceramide to help fortify weakened areas, protect strength and reinforce protection and shine. Hair is left healthy-looking and resilient.

Features:

- Safe for all color-treated hair

- Exclusive RCT Protein Complex

- Strengthens weakened hair

- Reinforces hair's protection and shine

Use as a complete system with Extreme Conditioner and Anti-Snap Treatment. Apply to wet hair, massage into a lather, rinse. Follow with Conditioner and Anti-Snap Treatment. In case of contact with eyes, rinse them immediately.