Product Details Laura Mercier's Flawless Fusion Ultra-Longwear Concealer offers seamless coverage a weightless feel and flawless wear. Its medium-to-full coverage flexes with skin to seamlessly conceal under eye darkness and facial imperfections. All-day hydration creates a crease-resistant natural finish. The incredibly lightweight oil-free formula feels undetectable on skin while the Blurring Powder Blend diffuses light to smooth the look of fine lines and create a soft-focus effect. Powered by Skin Fusion Technology longwearing flexible polymers fuse to skin for 12 hours of wear that are transfer sweat humidity and water-resistant.