December is a major month for two things: shopping and parties. And both of those things have a lot to do with beauty. There are countless new beauty products to scoop up in stores -- from holiday gifts to new skin care goodies. And all of these new beauty products will help you look your best when you have a packed social calendar. From a magical acne treatment serum to a body wash gift set you'll definitely want to keep for yourself, these are the best new beauty products to buy this December.