A waterproof 12-hour brightening primer helps makeup stay in place longer while brightening skin for a healthy, glowing complexion. tarte clean slate™ flawless 12-hour brightening primer helps makeup stay in place longer while brightening skin for a healthy, glowing complexion. Ideal for all skin types, this hydrating base keeps your makeup in place for up to 12 hours of perfect wear time, it's also a quick fix for tired or sallow skin--just one application and skin looks instantly radiant. This silicone-free and waterproof primer contains natural antioxidants, Vitamins A, C & E, and fruit- and plant-derived extracts to fight free radical damage and prevent premature signs of aging while brightening skin. BerryBright, a skin-brightening active, delivers natural arbutin from bearberry leaves to the skin, inhibiting the skin pigmentation process for an even, luminous complexion. The lightweight texture is ideal for a base under foundation to wake-up your makeup but can also be worn alone as a treatment to counteract dullness. Whichever application you choose, skin is left feeling hydrated and smooth, while looking flawless.