Benefits: Brightens - moisturizes - visibly evens skin tone. Who is it for? All skin types. Why? A skincare-enhanced primer that brightens and hydrates – perfecting make-up – for skin that glows instantly and looks more radiant over time. What is it for? With 20 billion prismatic highlighters in each tube, this ultimate make-up base harnesses the power of light to visibly brighten skin. This powerful formula - containing vitamin C and acetyl glucosamine - helps boost radiance - smooth skin's appearance and visibly even skin tone over time. Hyaluronic acid helps moisturize the skin and prepare it for smooth makeup application. 16 hours fresh - sets make-up for a flawless use. The lightweight texture penetrates the skin smoothly. How to use? Use under makeup or alone to boost your skin's own radiance. Apply in a thin layer to clean, damp skin. Let it dry for a minute before applying foundation. It can also be used as a highlighter by applying it to the high points of the face over the foundation.