In the vast world of skincare, there are countless moisturizing ingredients to choose from. However, Hyaluronic acid and squalane are among the most popular—and for good reason. Both ingredients have ...

I use The Ordinary Hyaluronic Acid Serum every day in my morning and nighttime skincare routines to hydrate my dry skin. It ...

More hydrating than hyaluronic acid, polyglutamic acid is a less well-known but just as powerful ingredient, credited with improving the elasticity, bounce and health of the skin and skin barrier.

Hyaluronic acid is the final word in skin-plumping hydration, but it demands to be used correctly. See the best ways to use HA, and our top serums to try now.