The Marvels of Hyaluronic Acid Hyaluronic acid is a natural substance found in the body that holds moisture. It can attract and retain water up to 1,000 times its weight, making it a powerful hydrator. When applied to lips, hyaluronic acid: Boosts hydration : Lips have thin skin and lack oil glands, so they dry out easily. Hyaluronic acid helps keep them moist and soft. Adds volume : By drawing water into the lips, it creates a natural plumping effect without the need for fil