A part of Redken’s Nature + Science haircare collection, the Nature + Science Color Extend Shampoo is a silicone- and sulfate-free shampoo that features a gentle non-stripping formula to enhance the vibrancy of color-treated hair. Formulated with naturally-derived ginseng, Nature + Science Color Extend Shampoo adds shine and helps maintain radiant salon-fresh haircolor with every use.

The Nature + Science Color Extend Conditioner features a gentle non-stripping formula to enhance vibrancy on color-treated hair. Formulated with naturally-derived ginseng, Nature + Science Color Extend Conditioner adds shine and helps maintain radiant salon-fresh haircolor with every use.