What it is: A base that glides on and evenly coats and smoothes your lashes to maximize the results of your favorite mascara.What it does: Its conditioning, clump-free formula features microfibers and vitamin E to add extra length and thickness to your lashes for added visible performance of your mascara. It's housed in a travel-sized tube perfect for toting with you wherever you go. How to use: Apply one or two coats, working the brush from lash base to tip in a zigzag motion. Follow with several coats of mascara. It can also be used as a nighttime deep-conditioning treatment for your eyelashes.- 0.07 oz.- This Travel Size Cils Booster XL Super Enhancing Mascara Base Primer (0.07 oz.) does not qualify for the Lancôme Holiday Beauty Box Purchase with Purchase promotion