Applying green, purple or red pigments on your face may seem intimidating and best left to the makeup pros. After all, it can be enough of an undertaking already to find the right shades of foundation and concealer to match your skin tone and undertone. But when used correctly, color-correcting makeup products should completely blend into your skin and disappear, leaving behind a flawless complexion. To help you determine which type of color-correcting makeup is right for your complexion needs, we’ve enlisted the help of celebrity makeup artist Judi Gabbay to break down five common color-correcting shades and how to use them.