Allergies often cause water retention, which means puffy eyes (le sigh). Apply concealer under the eyes to minimize inflammation, banish shadows, and brighten 'em up.
Nars Radiant Creamy Concealer. $29; bloomingdales.com.
Allergy medicines can dry you out, which means you've got to amp up the moisture, baby. Because it's warmer out, you'll want to opt for an ultra-light, oil-free formula with SPF. Voilà!
Benefit Cosmetics Triple Performing Facial Emulsion, $32; sephora.com.