everyday! Use alone for instant perfecting coverage, or layer under your favorite foundation or powder. SPF 50 and PA++++ ensures broad spectrum protection against harmful UV rays Tone Adapt Technology evens out skin tone, conceals fine lines, wrinkles, and other imperfections Cell Protect strengthens skin's defense against premature skin aging Paraben-free. Non-comedogenic. Hypoallergenic. Dermatologist tested Directions for use: Tap before use. Apply a small amount onto face and blend evenly with your fingertips. Can serve as a primer substitute.