Hyaluronic serum is a popular skincare product that helps to hydrate and plump the skin. This serum contains hyaluronic acid, a natural compound found in the body that can hold up to 1,000 times its weight in water. Using hyaluronic serum can help to reduce the appearance of fine lines and wrinkles, improve skin texture, and leave the skin looking and feeling soft and supple. alpha arbutin serum