The shelf life of our products is 6 months from purchase date, check out this video explaining our Product Shelf Life.We make everything fresh biweekly, so use your order date as a guide for a 6 month shelf life. If they are exposed to extreme heat (left in a car in the desert in the middle of summer) the emulsion can break and they can go bad almost immediately. If you don’t plan on using your products right away, you can keep them in the fridge. We also use date stickers as a rough reference to when you should use the products by, but please reference your order date as your products were made within a week's range of that time