We want you, our customer, to be completely satisfied with the Moncarlino Serum that you have purchased from us. Our policy allows you 30 days to try the product. If you are not completely satisfied, return the unused portion to us and we will refund the purchase price at 100%, less shipping and handling. To initiate a return, please call (toll free) 888-726-5649 or contact us at www.moncarlino.com. We issue you a return authorization number and upon receipt of product will issue a credit.