In Unlistd words:
All Shampoos wash right? Well This one washes while enveloping your hair with a protective layer to keep your color in your hair not the drain!
Use it if protecting your color is top priority!
From Their Website:
The sulfate-free, color captivating care you need in a shampoo for colored hair.
A smart, targeted delivery system, the exclusive new RCT Protein Complex treats hair from the root to the core to the tip, giving all 3 levels the custom nourishment they need.