Watermelonaid uses hyaluronic acid and a glycosphingolipid, wrinkles get an instant visual fill on first use, reducing their look by 10%! They reported a whopping 38% visible reduction in wrinkles in just 14 days, and 48% reduction in 28 days. If you’re looking for a serum that makes the surface of your skin feel and look like silk, this is it! 1.7 oz.