Details:

Redken Color Extend Magnetics Shampoo now with Redken's exclusive RCT Protein Complex to treat hair from the root, to the core, to the tip. Sulfate free formula gently cleanses color treated hair for 4 weeks of color vibrancy and radiance*. With its new smart, multi-targeted delivery system, soy protein adds structure at the root of the hair, while arginine helps maintain health at the core, and sepicap helps restore the look of the ends.

How to Use:
Apply to wet hair, massage into a lather, rinse.  Follow up with conditioner.