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Click through for the prepared girl's guide to midday makeup emergencies.
How to Cover Up a Surprise Zit

"First use a little bit of primer. My go-to is NARS Pore Refining Oil-free Primer.

Use your finger in a tapping motion to apply and then follow with your favorite concealer. Clé de Peau is a great option. Apply concealer in a patting method using a concealer brush, or a clean finger. Touch up with a bit of foundation and voila."

How to Conceal Dark Circles
"For dark circles, first hydrate to lessen inflammation and de-puff the eyes. Once dry, brighten up the eyes by lining the inner rim with a flesh-toned pencil. This will eliminate redness around the eye and makes you look more awake. [Try] NARS Larger Than Life Eyeliner in Rue Bonaparte. Lastly, apply your concealer from the inner corner of the eye, blending outward and up toward the brow."
How to Look Fresh and Awake
"A bright lip! It’s the key to putting your best face forward even on the gloomiest of days. Add a touch of Instant Eye Lift by Trish McEvoy and two coats of mascara…stand tall and smile. [If you] have an extra minute, indulge with DermalQuench by Kate Somerville. It brightens, hydrates and refreshes the skin!"
How to Give Your Mascara a Boost
"To freshen up mascara, first use a lash brush to comb through and separate lashes. Next use a thickening mascara that will easily cling to your existing mascara but doesn't clump, like Bobbi Brown's Extreme Party Mascara. Apply mascara by holding the wand vertically, and pull it up straight through the base of the lashes to the top!"
How to Always Be Prepared for Touch-Ups
"At any point in the day, a girl should always have the following on hand: lip gloss, stick concealer, a powder compact for touch-ups, multi-purpose lip and cheek color and an automatic eye pencil in a deep brown."
How to Update a Daytime Look for Evening Activities
"Take your look from day to night by adding a sheer translucent powder to your oily areas and a brightening powder under your eyes and above your brow. Reapply blush to the apples of your cheeks and finish off lips with a more intensified and fun lip color. For the eyes, add a dark shadow along your lash line using a smudge brush."
How to Avoid Makeup Flaking Caused by Dry Skin

"Clarisonic—it’s the secret to amazing skin. It gently exfoliates and sweeps impurities out of your pores. (This secret must be shared with everyone!) For p.m. repair, follow your skincare regimen—but before you put your moisturizer on, press a few drops of your favorite face oil onto your face and neck. I’m currently using the Dilio Oil from Kate Somerville. It does wonders on the ends of your hair as well.

For dry, chapped lips, exfoliate with Sara Happ’s Lip Scrub."