1、Free return: For defective products, the return period is 7 days from the date you receive the items. The seller will provide you with return instructions according to the laws, regulations, and our return policy.

2、Free exchange: For defective products, the exchange period is 7 days from the date you receive the items. The seller will provide you with exchange instructions according to the laws, regulations, and our return policy.

3、If it exceeds the expiration date or the issues are caused by use, we are not responsible for return and exchange.