When it's snowing in Canada you know that it's gotten really, really cold. And what happens when temperatures take a nose dive? So do your skin's moisture levels. But frigid weather is only part of the problem: Long, hot showers, sweltering offices, and harsh soaps are also to blame. Luckily, dry skin can often be alleviated by winterproofing your skin-care routine. Here's a few ways to start. Exfoliate. It sounds counterintuitive, but gently scrubbing (and we mean very gently) will actually help your lotions and creams work better. As your skin dries out, dead skin cells stop shedding, keeping moisturizer from fully...