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"The essential purpose serums are capable of do this is due to what they do no longer include," says Kenneth Howe, a board-licensed dermatologist in New York City. "In assessment to moisturizers, serums do not comprise air-tight, occlusive substances, which allow them to penetrate extra deeply into the epidermis, carrying their lively components with them."

Another cause why serums are a mainstay for skin-care novices and fans alike? The properly 'ol sense component. "Serums are the new moisturizers," New York City-based totally board-licensed dermatologist Ellen Marmur tells Allure. "They are perfect for layering — like a primer on smooth skin earlier than makeup or sunscreen."

Luckily, there's a international of serum options obtainable, which includes diet C-based totally sorts and thirst-quenching formulation infused with hyaluronic acid, to fit something your pores and skin type and concerns can be. In fact, we've got 34 of them underneath, so hold scrolling to locate your new favorite.