ILIA True Skin Serum Foundation | Buildable Medium Coverage, Weightless Feel, Sensitive-Skin Safe | Cozumel SF1.75Overview Discover ILIA True Skin Serum Foundation, a weightless foundation with buildable medium coverage and a skin like finish. It blends effortlessly, moves with your facial expressions, and leaves you with a polished, natural look that never feels heavy. Skin loving formula The lightweight texture is enriched with active levels of skincare ingredients designed to support your complexion over time. Niacinamide helps even tone and refine texture,