A Full-Coverage, Concentrated Cream With Bright Oleoactif® To Brighten The Skin, Erase Dark Circles And Blur Imperfections. MCoBeauty INSTANT ERASE CONCEALER is an innovative cushion applicator with the key ingredient of Bright Oleoactif® to brighten and condition the skin, blur imperfections and conceal dark under-eyes. CUSHION CONCEALER blends easily and leaves skin luminous.