What it is: A lightweight blush serum with a unique liquid-mousse texture that gives skin a healthy, hydrated flush. What it does: Infused with meadowfoam oil and hyaluronic acid, this unique formula blends seamlessly on top of creams, liquid or powder bases for a dewy glow. The water-based formula prevents the serum from melting into an oily mess-while delivering a satin finish that looks like real skin. How to use: Simply tap into skin for the perfect flush. Use the built-in applicator to apply one dot for subtle color or multiple for a bold finish. Style Name: Clove + Hallow Hydratint Blush Serum. Style Number: 5820125. Available in stores.