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SLIDESHOW

You avoid products with silicone.
Silicone has gotten an undeserved bad rap as a pore clogger—and it's actually a fantastic hydrating agent, says Graber. To give your moisturizer a boost, apply a primer formulated with silicone, which prevents moisture loss, before foundation.

It Cosmetics Bye Bye Pores Primer, $38; Sephora.com