3 in 1 is a liquid foundation with built in primer and concealer for a long lasting and flawless finish. The advanced water in silicone emulsion provides high coverage and has an easy to build formula so you can easily achieve that professional finish. The primer provides a smooth base and holds make up in place while the concealer corrects blemishes and imperfections giving you a flawless look. Lightweight formula that prevents shine as it is oil free and contains SPF 20 to protect your skin from the sun rays. How to Apply Apply with a foundation brush or your fingertips to deliver a perfect flawless coverage to your skin. You can build concealment by smoothly adding product in areas where you need more coverage.