If you want your perfume to stay as long as it possibly can, it\u0026#39;s critical that you keep it properly. A fragrance must be protected from extreme temperature changes when properly stored.While keeping your perfume in the bathroom may be alluring, the hot and cold temperature swings may actually hasten the expiration of your perfume. You should store your favorite summer scents in a cool environment because humidity can interfere with the molecules inside.Additionally, keep your perfume away from direct sunlight, which weakens the chemical structure of the fragrance and reduces its effectiveness.You might believe that keeping perfume in the refrigerator is a smart idea because heat degrades fragrances. The temperature change that occurs when you remove the perfume from your refrigerator, however, might be just as harmful.In a cool, dry, and dark location, such a bedroom closet or drawer, perfume is the most stable. As exposure to oxygen can potentially disturb the chemical equilibrium of the perfume, it is better to maintain it in its original container. The alcohol inside may also evaporate more quickly, hastening the fragrance\u0026#39;s demise. Replace Your Expired PerfumeIt can be difficult to tell if your scent has run its course. If your perfume is older than 2.5 years, you might want to check for expiration signs. However, it should be okay to use if your perfume smells good and is the same color and consistency as when you first purchased it. If properly stored, certain high-quality scents can even keep for years.You can find affordable perfumes and colognes online when it\u0026#39;s time for you to purchase a new scent.