Nexxus Color Assure Sulfate-Free Shampoo with ProteinFusion For Color-Treated Hair for Enhanced Color Vibrancy, Silicone Free Shampoo with Pump 33.8 oz ? LONG-LASTING COLOR VIBRANCY: The Nexxus Color Assure Shampoo and system keeps colored hair vibrant for up to 40 washes ? PROTEINFUSION BLEND: This sulfate-free shampoo for color-treated hair is made with our exclusive ProteinFusion blend with quinoa and elastin protein and is sulfate and silicone free ? CUSTOM CRAFTED FOR COLORED HAIR: This shampoo with pump is specially formulated for color treated hair to keep it vibrant and bring it back to life ? THE COLOR ASSURE SYSTEM: This silicone free shampoo comes with a convenient pump and works best when paired with the other Color Assure products, conditioner, and hair mask ? HAIR CARE EXPERTS: Our experts translate latest trends and technologies into innovative products, like this Color Assure Shampoo, and ingredients to deliver the best results ? SEE THE SCIENCE: Nexxus experts studied color treated hair at the molecular level and crafted this shampoo with ingredients that replenish hair with the nutrients lost during the coloration process (description exceeds maximum possible length)