If you’re like me, winter is a time of barely-recognizable hands. Granted, I live in Calgary, home of 20% relative humidity and this week, -40 degree temperatures with the windchill (whether you use Fahrenheit or Celsius scales, it’s the same number). But even if you are in a more moderate climate, forced-air heating and cold weather can wreak havoc on aging nails and hands, not to mention hair. Not surprisingly, pharmaceutical companies sometimes do research in these extreme climates to find out what works.
…
