One of the biggest misconceptions about winter is that the cold weather is what's drying out your skin, but indoor heating and an increase in mercury levels because of the cold are actually the reasons why your skin may lose moisture during the winter months, says an expert. Experts from the cosmetics brand L'Oréal Paris skincare have listed the common mistakes we make and the subsequent solutions we can follow to enjoy a healthy skincare routine: Mistake: Sticking to your summer skin care regimen - The change in temperature and air pressure requires a change in your cleansing routine. If you're using a gel cleanser, you may want to switch to something more moisturising.