The 13 Best New Facial Treatments. Best Serum for Dry Skin: Ghost Democracy Floodgate Hyaluronic Acid Serum. "I was pleasantly surprised by this serum! I didn't know anything about Ghost Democracy, and I can be wary of the 'clean beauty' label trend, but I was impressed as soon as I used it. The product itself has the consistency of a traditional serum that I like -- liquidy and clear -- and I didn't have to use much to apply it evenly across my face and neck.