To keep nicotine pouches fresh and long-lasting, store them in a cool, dry place away from direct sunlight and heat sources, like a drawer or cupboard. Avoid the refrigerator, as condensation can damage them. Always reseal the can tightly after each use to prevent moisture and air from getting in, which can dry them out or reduce potency. Check the expiration date too for best results. How to Store Nicotine Pouches for Freshness and Long Life