18 Advantage card points. e.l.f. lock it down eyeshadow primer 7ml. Face + Body by e.l.f. Preparation is key. Designed to prep your eyes lids for eyeshadow application. Helps prevent creases. Long-lasting formula. Product is non-returnable for hygiene reasons. LOCK DOWN YOUR EYE LOOK AND MAKE IT POP with e.l.f. Cosmetics Lock It Down Eyeshadow Primer. The formula has a non-greasy feel and serves as the perfect base for creating endless eye looks—it intensifies your eyeshadow colour, increases wear time and helps prevent smudging and creasing. Sheer finish creates the perfect base for a wide range of eye looks. Gently pat eye primer onto clean eyelid with your fingertip to create a smooth canvas for makeup. All e.l.f. products are made from skin-loving ingredients you want, minus the toxins you don’t—all at good-for-you prices. All e.l.f. products are 100% Cruelty-Free and Vegan.