Indoor heating is wrecking your skin barrier.

Indoor heating dries out the air, which pulls moisture from your skin, so you need to add humidity back and switch to richer products.

Here’s what’s happening: Your furnace (or radiator, or space heater) blasts warm air that holds very little water vapor. That dry air acts like a sponge on your skin, sucking moisture out through a process called transepidermal water loss. The result? Tightness, flaking, irritation, and that lovely winter “ashiness.” Your normal lightweight lotion isn’t strong enough because the