If the product you purchased has not been sent out, please contact them with your order number. They will cancel the order for you and process your refund.
If your product has been sent out, please provide them with photos of the package and product within 30 days after signing for the package. After they confirm it, they will provide you with a return and refund service.
If you have received the package, please provide them with photos of the products and tell them the reason for the refund. If it is a product quality problem, they will deal with it according to the situation. If the product cannot be used normally due to personal reasons, they will not deal with the refund.