Warm your sheet mask first

Using a sheet mask in extremely cold weather is safe, but the cold serum will be less effective and feel awful. Here’s how to warm it safely.

Cold temperatures constrict blood vessels and tighten pores, which means your skin absorbs less of the good stuff. The mask itself will also just be miserable—slapping an ice-cold sheet on your face when it’s already freezing outside is a recipe for shivering, not relaxation.

The easiest way: run the sealed pouch under warm (not hot) tap water for 1–2 minutes. This heats the serum evenly without damaging any active ingredients like vitamin C or retinol. Don’t microwave it—that can denature peptides and create hot spots that burn. Also don’t drop it straight into boiling water or set it on a radiator. A warm water bath is the only smart move.

If you’re somewhere without warm running water, tuck the pouch inside your jacket for 10 minutes. Body heat works. Just don’t try to warm it up with a hairdryer or over a candle. That’s how you end up with a melted pouch and a disappointed skincare routine.

One thing to watch: if your skin is red or wind-chapped from the cold, skip the mask altogether. The extra moisture and friction can irritate already stressed skin. Wait until you’ve been inside for an hour and your face is back to normal temperature.

A warm sheet mask is a winter luxury. Don’t ruin it with half-baked heating ideas.