Laura Mercier Real Flawless Weightless Perfecting Foundation in shade 3W1 Dusk comes in a 30ml size. This weightless, long-wearing foundation is designed to blur the line between make-up and skin. Shade 3W1 Dusk suits medium skin with warm, golden undertones and offers medium, buildable coverage. It provides 12 hours of waterproof, fade-proof wear with a natural, skin-like finish. Apply from one pump to clean skin and blend outwards with a brush.