Face serums are lightweight products that contain a high concentration of active ingredients. They absorb quickly into your skin, making them an excellent next step after cleansing. ... Some serums help to brighten your skin or reduce blemishes, while others focus on boosting hydration or fighting the signs of aging.

What does serum do for your skin?

Hydrating serums enhance your skin's hydration, prevent it from drying out and improve its moisture retention. Many serums contain lipid-replenishing ingredients, which deeply nourish the skin. ... Serums often contain antioxidants, which help combat free radicals and keep your skin healthy.

Are serums actually good for your skin?

Serums are light, easily absorbed oil- or water-based liquids that you spread on your skin. ... “I definitely recommend serums for anyone who is concerned about aging. It's a really good way to get extra anti-aging effects, more than your typical moisturizer and sunscreen,” says Dr. Waldman.