Recently I have become a huge fan of Hyaluronic Acid Serums for my nightly skin care. Since it is a natural component of skin and has the ability to hold water it greatly helps to improve your skins moisture level and will adjust its moisture level based on the humidity. They also help to smooth fine lines and wrinkles and brightens the skin. I have been using these for the last few months and can not believe the difference in my normally dry skin. Its hydrated, soft and smooth and those fine lines I was just starting to notice have all but vanished. If you haven't tried one these serums yet I highly encourage you to.