Redken's Nature + Science Color Extend Sulfate Free Shampoo for Color Treated Hair offers a gentle cleanse that preserves your color's vibrancy. Enriched with naturally-derived ginseng, the vegan formula maintains salon-fresh radiance and shine. Sulfate-free and silicone-free, this shampoo protects your hair without any harsh chemicals. It's an ideal choice for anyone looking to nourish their hair naturally while maintaining a vibrant, polished look.