We live in a world where a new and improved (read: more complicated) product is released every month, and the gadgets in the grooming department are no exception. Many at-home beauty gadgets look intimidating -- especially if you're not a tech-savy. But that doesn't mean you have to miss out. We've rounded up the best beauty gadgets of 2013 that even the most tech-challenged among us can easily master. So, skip the pricey spa appointments and invest in one of these innovations.