FAQs
Frequently Asked Questions
Who operates Tethira?
Tethira (tethira.com) is owned and operated by RAY POWER TECHNOLOGY TRADING LIMITED. Our company registered office is UNIT 2, 8/F, ON TIN CENTRE, 1 SHEUNG HEI STREET, SAN PO KONG, KOWLOON, HONG KONG.
How do I place an order?
Choose an available product and option, add it to your cart, and proceed to checkout. Review the products, quantities, delivery address, shipping charges, and order total before paying. Products marked sold out cannot currently be ordered.
Can I change or cancel an order?
Email support@tethira.com as soon as possible. We will try to help before fulfillment begins. Changes and cancellations are not guaranteed once fulfillment is underway and may not be possible after dispatch.
Which payment methods and currencies are available?
Available payment methods, currency, and the total payable to us are shown at checkout. Options can vary by location, device, currency, and payment provider. Your bank or payment provider may apply its own conversion or international transaction fees.
How long does delivery take?
Processing generally takes 1-3 business days. Estimated transit times after dispatch are 7-12 business days for the United States and Canada; 7-12 business days for the United Kingdom and supported European destinations; and 8-15 business days for Australia and other supported destinations. Transit estimates exclude processing time and are not guaranteed delivery dates. See our Shipping & Delivery Policy.
How much is shipping?
Available destinations, methods, and shipping charges are displayed at checkout before payment. See our shipping policy for information about import duties and taxes.
Will I receive tracking information?
We will send tracking information after dispatch. Tracking normally updates within 24-48 hours, although the carrier may take longer to register a shipment. Contact us if an order is delayed or appears lost.
What is the return window?
You may request a return within 30 days after receiving an item, subject to our Return & Refund Policy. Change-of-mind returns must be unused, unopened, in their original packaging, and have all original seals intact. Proof of purchase is required.
Can opened cosmetics be returned?
Opened or used cosmetics and personal care products are not eligible for change-of-mind returns for hygiene reasons. This does not limit your rights for damaged, defective, incorrect, or otherwise nonconforming goods.
How do I request a return?
Contact support@tethira.com with your order number, item, and reason for return. Include photographs for damage or incorrect items if available. Wait for our instructions before shipping.
US return processing address (authorized returns only):
Rose Niederhauser
10181 NW 51st Lane
Doral, FL 33178
United States
The Hong Kong registered office is not a designated return location. Please follow the instructions provided for your eligible return.
What if an item is damaged, defective, or incorrect?
Contact us promptly with your order number and a description of the issue. For verified damaged, defective, or incorrect items, we cover required return shipping costs or arrange an appropriate replacement or refund. We ask that visible delivery damage or incorrect items be reported within seven days to help us investigate; this does not limit your legal rights.
When will a refund arrive?
After receiving and inspecting an eligible return, we will notify you of the outcome. Approved refunds are issued to the original payment method within 5-10 business days. Your payment provider may require additional time to display the refund.
How do I choose a shade?
Review the selected shade, product images, options, and description. Colors may vary with lighting, photography, screens, and your natural skin or lip tone. Contact us before ordering if information is unclear.
How can I contact support?
Email support@tethira.com. Our support hours are Monday-Friday, 9:00 AM-6:00 PM, Hong Kong Time (GMT+8), excluding public holidays. We aim to respond within two business days.