A: Hi Rita, For the Beeswax Lip Balm you purchased, please be advised our cosmetic products are intended to last three years from the date of manufacture, which can be determined by reading the lot code. This code will be stamped under the UPC numbers. We recommend that our products be used within 12 months after opening and it's best to store products out of extreme temperatures and direct sunlight, if possible. So we can provide you with further assistance to read the production code, please give us a call at 800-849-7112. For faster service, please have the product available as well as this reference number: 170629-000407. We'll be waiting to hear from you! -Jade with Burt's Bees