Sheet-mask obsessors will be pumped (pun intended) to know that there are masks for your lips that do everything from hydrate and nourish to plump and polish. KNC Beauty's All Natural Collagen Infused Lip Mask, $25, is formulated with a myriad of nutrients that moisturize your lips, such as rose flower oil, cherry extract and vitamin E, but it also packs a powerful punch of collagen that gives you that pleasant, tingly feeling. Leave on for at least 15-20 minutes and use 2-3 times a week for optimal results.

As a final touch to really amp the effects of that 3D appeal, apply a gloss over the top of your lips, whether or not you're using any other product. Celeb makeup artists say any gloss will do — even drugstore lip glosses — and to focus on applying to the center of the bottom lip. Hilary Kline, a Minneapolis-based makeup artist, loves NYX Pump It Up Lip Plumper, $5.49. "This product has a special peptide in it that helps improve collagen synthesis, which can lead to firmer, fuller and smoother-looking lips," she says. For even more volume, you can also add a touch of highlighter, like Glossier's Haloscope, $22, to your cupid's bow (the indent just above your upper lip and below your nose).

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