https://www.maccosmetics.com/giving_...ck_to_mac.tmpl
Because we share your commitment to the environment, M·A·C accepts returns of its primary packaging through the Back-to-M·A·C Program. By returning six [6] M·A·C primary packaging containers to a M·A·C counter or M·A·C Cosmetics online, you’ll receive a free M·A·C lipstick of your choice as our thanks to you. Please note, Lipsticks provided at no charge cannot be returned or exchanged. M·A·C Select Back-to-M·A·C Expanded is only available in stores at this time.