Finding the best face serum for your skin type and concerns can be a transformative move for your complexion—so, if you have yet to use one, consider this your cue. “Serums are like espresso shots for your skin: highly concentrated and designed to deliver a potent dose of active ingredients right where they are needed most,” says Mona Gohara, MD, a board-certified dermatologist in New Haven, Connecticut. As a result, they can target specific issues, like fine lines or discoloration, with more precision than a moisturizer, and their lightweight texture makes them easy to layer, she says.

The No. 1 Serum