BioIonic.com offers a 30-day, money-back, satisfaction guarantee on all of its products. If you are not completely satisfied for any reason, simply return your product within 30 days of the original order delivery date. NOTE: To be eligible for refund, your product must be returned in its original box in new (unused) condition, and the return shipment must be postmarked within 30 days of the original order delivery date. For more information, read our complete return policy: https://www.bioionic.com/return-policy