Specifically developed with Filloxane for intense instant thickening action. Including a dual active formula. The pink formula is the thickening gel is enriched with Filloxane to create thickness. The transparent formula is the perfecting serum containing surface perfecting agents. Like a top coat, it smooths the surface of the hair for a shiny, silky finish. This double-care system is conserved in two specific containers and mixed at the last moment to spread its power.