Salmon

Photo: Thinkstock

4 of 6
They eat salmon, and consume lots of antioxidants.
Salmon's high omega-3 content helps hydrate skin from the inside out and reduce the inflammation that can cause skin redness, says Baumann. And antioxidant-rich foods and drinks—blueberries, dark greens, green tea and coffee—help fight free radicals that can damage the cellular structures of the skin, accelerating skin aging.