Same goes for cold temperatures. According to Jeannette Graf, MD, a board-certified dermatologist and assistant clinical professor of dermatology at Mt. Sinai School of Medicine, extreme cold decreases the relative humidity in the air, worsening dry skin and triggering eczema. Try avoiding areas or treatments that expose your body to heat or cold for extended periods of time (including saunas, sadly) and limit exercise to cooler times of the day.
