A 24-hour healthy glow, buildable medium coverage serum foundation,  formulated with hydrating hyaluronic acid and smoothing mandelic acid for a natural glow finish Our 82 percent hydrating serum-based formula, with buildable medium coverage, delivers a natural healthy glow finish that makes one with your skin. This skincare-infused foundation is powered by hydrating Hyaluronic Acid and smoothing Mandelic Acid. Available in 30 transfer-resistant shades made for all skin types, even the most sensitive skins. What It Is: A 24H healthy glow serum foundation powered by hydrating hyaluronic acid and smoothing mandelic acid, with medium buildable coverage  Creamy Finish  Contains 30% Rose Balm Extract  Contains Hyaluronic Acid  Available in 30 transfer-resistant shades made for all skin types, even the most sensitive skins. How To Use: For light coverage, apply the foundation with fingers, a damp sponge, or the dual-ended Lancôme Airbrush Foundation Brush #2 For medium coverage, apply the product with a flat foundation brush or use Lancôme Airbrush Foundation Brush #2 and apply using a stippling motion In a 3-week consumer study with 107 female participants: 9/10 women said their skin tone looked more even  9/10 women said their overall skin felt improved