What it is: A silky gel emulsion that hydrates and creates a smooth canvas for foundation or powder application.What it does: It's the brand's classic primer to achieve radiant, glowy skin that features illuminating pearlescent powders to reflect optic radiance. M∙A∙C Prep + Prime Natural Radiance is available in two shades: Radiant Yellow and Radiant Pink to accommodate a range of skin tones. The formula disappears upon application, resulting in a beautiful glow. It provides all-day, long-term hydration that smoothes and softens skin. It improves radiance and contains known antioxidants that refine skin. How to use: Smooth evenly all over the face or to the desired areas after moisturizer (right before foundation) with fingertips, sponge or brush. 1.7 oz. Silicone-free' paraben-free; phthalate-free; retinyl palmitate-free; mineral oil-free; petrolatum-free; formaldehyde-free; polyethylene-free; hydroquinone-free; triclosan-free; coal tar-free; toluene-free; oxybenzone-free Dermatologist tested; Ophthalmologist tested Nonacnegenic