Achieve flawless skin with the laura mercier Flawless Fusion Ultra-Longwear Concealer 4W. This incredible concealer offers medium to full coverage that flexes with the skin, seamlessly concealing under-eye darkness and facial imperfections. The lightweight formula feels undetectable on the skin, while the Blurring Powder Blend diffuses light to smooth the look of fine lines, creating a soft-focus effect. Powered by Skin Fusion Technology, the long-wearing flexible polymers fuse to your skin, providing 12 hours of transfer, sweat, humidity, and water-resistant wear. Get the confidence of a natural, crease-resistant finish all day long.