100% Satisfaction Guarantee
At Bac Si Thuong Hai, we believe our commitment to quality leads to better products. That’s why we invest time and resources to thoroughly test and approve every product we offer. We also stand behind our products with a 15-day satisfaction guarantee when you purchase from bacsithuonghai.com or an authorized seller within the United States.
Order Changes and Cancellations
All orders placed are final. Note: We are unable to modify your shipping address once your order has been submitted. Please take care to ensure your delivery address is current and valid at the time of checkout.
In the event that you wish to change or cancel an order, please contact us at 1-800-458-1889 and select option 2, or email sales@biotonix.org. We will make every effort to honor your request, but we cannot guarantee that your order can be modified. All returns are subject to our Return policy and return shipping fees.
How long do I have to return the product?
15 days from the ship date from Bac Si Thuong Hai. You must submit your guarantee request during this period.
How do I Start my Return?
If you purchased your product from Bac Si Thuong Hai:
Click the Start a Return button on the right: Start a Return
If you need additional assistance with a return, please call 1-800-458-1889 and select option 2, or email sales@biotonix.org. Please have your order or account information available and a brief explanation of why you are unhappy with the product.
If your request is approved, you may be required to submit a copy of your proof of purchase (if you have not already done so). Additionally, in certain cases you may be required to submit photos of your product and/or its packaging and labeling, and/or mail the unused portion of your Bac Si Thuong Hai product to Bac Si Thuong Hai to the address we provide.
When will I receive my credit?
Once the product is returned to our warehouse, you will be credited to the original form of payment used within 7-10 business days.
Is there a shipping fee?
In most cases, a shipping fee of $8.95 will be deducted from your refund unless the product is damaged, or it is due to our mistake. We may request an image of the incorrect or damaged product prior to waiving the return shipping fee.
Guarantee Guidelines
Bac Si Thuong Hai reserves the right to verify information, require a valid proof of purchase, and to deny guarantee requests in its discretion in cases of suspected fraud or if a customer has abused the Bac Si Thuong Hai 100% Satisfaction Guarantee.
What if I need to exchange an item?
Our returns center cannot process exchanges! If you have found another item on our site that you would prefer over the one originally ordered, please return (See Returns Process Instructions) the original item and place a separate order for the new item. We will notify you via e-mail when the return has been processed.