If you are not 100% satisfied with SweatBlock, please email firstname.lastname@example.org within 30 days of receiving your order to initiate the refund process. Our guarantee applies to effectiveness and not duration of effectiveness as individual results will vary based on body chemistry. Qualified refunds will receive the purchase price minus shipping and handling. Only one refund per customer. The refund amount is limited to the price of 1 box of SweatBlock unless additional boxes are returned. Refund must be requested within 30 days of delivery.