Prep + Prime Natural Radiance Hydrating, Illuminating, Controls Oil A silky gel emulsion, rich in natural ingredients, that hydrates and primes to improve foundation or powder application, control oil and promote smooth texture. Vitamins E and C protect with antioxidants, while caffeine calms skin. Illuminating pearl powders reflect optic radiance. Now in two shades: Radiant Yellow is especially effective on deeper skin tones and Radiant Pink for fairer skin tones. The formula disappears upon application, resulting in a beautiful glow.