Our 44% carbamide peroxide teeth whitener is guaranteed to lighten your teeth 4-6 shades or your money back!  In stock and shipped the SAME DAY order is placed. Your order will be shipped by USPS Mail with online delivery tracking. credit cards All major credit cards accepted, including Visa, Mastercard, American Express and PayPal.  Click the PayPal Buy button below to order using any credit card. Fast and easy secure checkout with no account required.