Another element that is produced by our own skin cells. Hyaluronic acid is present in our skin, where it binds to water and help keep skin hydrated and plump. Hydrated skin also reduces the appearance of fine lines and wrinkles. Naturally due to aging and other environmental factors this also tends to take a dip. Hyaluronic acid within our bodies holds a thousand times its weight in water to not only retain moisture, but also prevent that moisture from simply evaporating.