What it is: A color-correcting primer that helps to create a perfect, even base with just one swipe.What it does: It provides a more even and radiant complexion instantly and over time, creating the perfect base by addressing and correcting complexion undertones. Immediately the texture of your skin is evened, balanced and smoothed for complete correction. Day after day, the unifying effect is boosted by a combination of skin care ingredients. Your skin is moisturized and brighter. Its fresh, ultra-light, silky texture applies just like a second skin without adding heaviness. How to use: Before your makeup, apply Instant Correct to your entire face with your fingertips or a brush. Foundation may be applied immediately following application. 1 oz.