COLORPROOF Curl Shampoo is a specialized cleansing formula designed to enhance and define natural curls while maintaining vibrant color. Introduced in 2010, this gentle yet effective shampoo helps control frizz, adds moisture, and provides lasting curl definition without weighing hair down. The color-safe formula protects against fading while nourishing curly and wavy hair textures for soft, bouncy, and manageable curls.