If you’re even remotely into skincare, chances are you’ve heard of hyaluronic acid. Heck, you probably even use it every day. (I know I can’t live without my hyaluronic acid serum!) The ingredient has been lauded by dermatologists and editors for its hydration-boosting capabilities, but did you know it does so much more than quench skin’s thirst? Also, did you know that if you use it incorrectly it can actually dry out your skin?
We’re here to break down everything you need to know about the ever-popular hyaluronic acid. Yes, it can be a skincare MVP, as long as you’re incorporating it into your routine in a smart, effective way. Okay, so are you ready to get plump, glowing, hydrated skin?
Keep reading to learn the hyaluronic acid basics so you can get the most out of the hydration powerhouse. Hyaluronic acid (HA) is one of the most powerful hydrating ingredients used in skincare, says cosmetic doctor Ana Mansouri, MD. "It's a humectant—meaning it pulls water from the environment to the upper layers of the skin like a sponge." The molecule can hold a lot of water: up to 1,000 times its weight (!), which is why it’s so effective at hydrating skin and keeping your complexion dewy throughout the day.
But it does more than simply boost hydration. "By increasing water content in the skin, hyaluronic acid also helps plump the look of fine lines and wrinkles," adds dermatologist Julie Russak, MD. Beyond topical usage, hyaluronic acid is also used in fillers (like lip injections), says dermatologist Lily Talakoub, MD.
It works similarly when injected as it does when applied topically, binding to water in your body and plumping the skin. Unlike the hyaluronic acid you find in skincare products, though, the hyaluronic acid used in face fillers is cross-linked, meaning it comes in a gel form that holds its shape to help create volume and structure in the skin, adds Dr. In fact, your skin will benefit from daily application.
"Hyaluronic acid is safe and beneficial to use everyday for maintaining skin hydration," says Dr. However, when you apply it matters. If you are using a toner/essence, serum, and cream with the ingredient, make sure you start with the thinnest formula first, and always finish with SPF.
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