ADVANCED FORMULA: Advanced haircare formula absorbs into hair to weightlessly smooth and add shine; specially formulated for fine hair to add thickness; gentle enough for color-treated or permed hair; most popular uses are: detangler shampoo, hair thickening shampoo, hydrating shampoo and strengthening shampoo. SULFATE FREE: Sulfate-free, thickening shampoo for color treated hair infused with refreshing ingredients; this hydrating shampoo softens and adds shine while also fighting split ends. COLOR SAFE: Color safe formula for all hair types; for color treated hair; the anti-fade system for long-lasting color purity; protective formulas that help preserve and maintain color brilliance; color-treated hair requires special care. VOLUMIZING: Luxurious, 24-hour hair shine and volume that lasts; this shine-enhancing shampoo is specially formulated to remove dirt and styling residue that can make hair look dull; enhances hair's natural light reflectiveness and enhances thickness; makes hair cuticles smooth and aligns hair fibers for amazing shine. STRENGTHENING: Gently cleanse, moisturize and smooth while relieving stressed out hair and scalp; this advanced luxury shampoo system was designed to strengthen, thicken and hydrate all hair types.