But most of us tend to overlook the significance of knowing when our makeup expires! So while we check for the expiration of the food in our cabinets, less of us actually take note of the manufacturing or expiry dates on our cosmetic and skincare products (maybe only when we first purchase the item). Unfortunately, cosmetics and perfume brands eventually do not indicate the production or expiration date in the clear, human-readable form. Instead, a product is marked with a batch code or a lot number, which is convenient to the company, but does not provide any information to a beauty product consumer. Cosmetics Expiration Chart // The Mom Skoop. I’m sure you’ve seen the oodles and oodles of charts, such as the one above from The Mom Skoop, declaring when your various makeup products expire. There are also equally as many articles online stating what to look for to tell if your makeup has expired, such as a change in color, consistency