The 5 Best Korean Hyaluronic Acid Serums For Glowing, Hydrated Skin

Hyaluronic acid is a sugar molecule that is naturally produced by the body. It is found in the highest concentrations in the skin, where it helps to keep the tissue hydrated and plump. This natural substance decreases with age, which can lead to drier, thinner skin. There are many ways to replenish the hyaluronic acid…