Make your lips appear fuller and firmer. Keep lipstick in place for hours. Undercover For Lips is a waterproof lip foundation formulated with optical diffusers to blur fine lines and disguise imperfections. To use: Brush across lips to fill tiny crevices and help prevent lipstick from feathering and fading, blend over foundation to camouflageon uneven lip line. Floow with lipliner and Lasting Luxury Lipstick.