Youâve probably heard the term âhyaluronic acidâ floating around skincare these days. You might be thinking if itâs safe or not for your skin or if there are any hyaluronic acid side effects you should be aware of. Though the word âacidâ may sound scary in reference to something you put on your face, donât worry, it doesnât burn.Quite the opposite, in fact, hyaluronic acid for skin packs a ton of skin-boosting benefits, including mega moisture!Itâs become an increasingly popular ingredient in serums and moisturizers for its superpower hydrating and anti-aging abilities. Hyaluronic acid (HA), or hyaluronan, is a carbohydrate molecule that is naturally occurring in our bodies. HA is present in many areas of your body including your eyes, internal fluids, and connective tissue, but much of it is in your skin, which accounts for 50% of your bodyâs total HA level. t found some pretty amazing results. After observing women who used hyaluronic acid for just 8 weeks, researchers found dramatic improvements in the participantsâ skin.