jane iredale's Liquid Minerals A Foundation is a serum with pigment that provides sheer to medium coverage. Benefits:/n-Provides hydration, diminishes the appearance of fine lines and wrinkles, minimizes the appearance pores, evens out skin tone and adheres so well, there is minimal transference./n-Liquid Minerals A Foundation has no rated SPF./n-The beads or spheres visible in the airless pump are actually liposomes encapsulating liposomes./n-State-of-the-art technology prevents active ingredients from degrading and allows actives to time release into the skin.