Color Sense Shine Boosting Color Extender is a weekly rinse-out treatment that keeps color truer longer while maximizing it with a glossy vibrant shine for days. Our blend of Crambe Abyssinica and Apricot Seed Oils protects and extends the life of color while creating a lightweight high gloss finish. Combined with our Color Lock complex composed of broad spectrum plant-based sun filters color is sealed and shielded from damaging UV exposure.