La Roche-Posay has always been dedicated to developing effective, dermatologist-approved products that are gentle enough for even the most sensitive skin. In an effort to raise awareness of the hydrating and anti-aging benefits of hyaluronic acid, La Roche-Posay coined today, January 21, National Hyaluronic Acid Day. Ahead, find everything there is to know about the ingredient, plus get the scoop on La Roche-Posay’s fan-favorite hyaluronic acid serum.      View this post on Instagram           A post shared by La Roche-Posay USA (@larocheposayusa)What is Hyaluronic Acid? Hyaluronic acid has grown in popularity over the years, making it a trendy skincare ingredient that most people are fairly familiar with. But what exactly does it do? According to the brand, hyaluronic acid has a variety of benefits, offering deep hydration, a subtle plumping effect and the reduction of the appearance of fine lines and wrinkles. Our favorite is the La Roche-Posay Hyalu B5 Serum, which combines the ultra-hydrating properties of hyaluronic acid with the nourishing and skin-renewing ingredients of vitamin B5 and madecassoside for a rich, hydrating texture that repairs the natural moisture barrier.How to Maximize the Benefits of Hyaluronic AcidAccording to the brand, hyaluronic acid is a naturally occuring sugar molecule that replenishes  moisture by absorbing water. Therefore, it’s best to use on freshly cleansed skin because there are water molecules on the surface of the skin that the hyaluronic acid molecules can bind to. Looking to get in on the celebration? Starting now through January 22, La Roche-Posay is offering 20% off on orders of $65 or more on laroche-posay.us.  Design: Juliana Campisi Read More:How to Find the Right La Roche-Posay Sunscreen for YouWhat Is Hyaluronic Acid? Everything You Need to Know About This Hydration PowerhouseWhy You Need to Add a Formula With Hyaluronic Acid to Your Skincare Routine
