5th Avenue NYC. New. IPN: Interlock Protein Network. Color Extend Conditioner detangles while helping to provide anti-fade protection to color-treated hair. Formulated with Redkens' exclusive Interlock Protein Network and powerful Fade Resist Complex, it delivers a UV filter, ordinary cranberry oil, strengthening ceramide, and a protective micro-net technology to help safeguard color and defend against aggressors. Haircolor stays vibrant and radiant with mirror-like shine. Safe for color-treated hair. redken.com. Exclusive salon distribution. Made in USA.