Dry Winter Skin Won't Stand a Chance With This Winter Skin-Care Regimen

If you love your current face cream but wish you could turn it up a notch, a hyperconcentrated serum like the e.l.f. Cosmetics Hydrating Booster Drops ($10) is the way to go. This one contains multiple hydrating ingredients — glycerin, hyaluronic acid, and vitamin E — to supercharge your skin-care routine. Just mix a few drops into your cream and boom, it now has that extra moisture you've been looking for.