-Features an innovative FadeStopFormula that actively strengthens the anchoring of color molecules-New Luminescine technology transforms non-visible UV light into visible light for magnificent brilliance-Improves the natural contrast & shine of hair-Offers built-in color protection-Delivers color lock-in for up to 22 washes-Great for naturally blonde sun-lightened hair-Recommended to use directly after or in between color/highlight servicesProduct Line: Dual Senses Blondes & Highlights