What are the side effects of using hyaluronic acid?

Close-up image of a woman applying eye drops to her left eye.

Hyaluronic acid is a compound commonly used in self-care products such as serums, face creams and eye drops. It’s popular because it’s very good at rehydrating dry areas – whether you’re tackling dry skin or dry eyes.  Lots of products use hyaluronic acid, and you can check whether or not yours do by looking at […]