The basics Precision Blend Shampoo is formulated with the latest technological breakthrough in surfactant chemistry. . The benefits Formulated without parabens and sulfates which helps resist against color fading. Helps minimize color loss by over 96%. Protects from color fade out. Restores moisture to damaged hair. The uses Protects color while gently cleansing and conditioning hair. The bottom line American Crew Precision Blend Shampoo thickens hair and enhances both luster and shine.