Hyaluronic Acid Serum click here https://suzystore.wixsite.com/queens/hyaluronic-acid Hyaluronic acid, also known as hyaluronan, is a natural substance found in the body that plays a key role in maintaining healthy skin. It is a glycosaminoglycan, which is a type of molecule that is present in connective tissues throughout the body, including the skin . Hyaluronic acid is known for its ability to retain moisture, which makes it a popular ingredient in skincare products.