Frequently Asked Questions
Last updated: October 30, 2026
Select a question to view the answer. If you need assistance with a specific order, please include your order number when contacting us.
Are the products genuine?
We are committed to supplying genuine products. We do not claim official authorization by every brand shown. Please see our Authenticity Guarantee page.
Where is LUMIHARU based?
Our merchant, TIANMU LLC, is registered in Delaware, USA. Orders are fulfilled from Seoul, South Korea.
Where do orders ship from?
Orders ship from our South Korean fulfillment warehouse, not from the Delaware registered office.
How long does order processing take?
Our normal handling period is 1–3 business days before the parcel is handed to the carrier.
What are the estimated delivery times?
Transit estimates are Standard 7–14 business days, Economy 5–7, and Express 3–5, in addition to 1–3 business days for handling. The services available depend on your destination and product.
How much is shipping?
Rates depend on country, weight and service. See the full country-and-weight schedule in our Shipping Policy; available charges are confirmed at checkout.
Who pays customs duties and import taxes?
Unless expressly stated otherwise at checkout or required by law, destination-country import duties, taxes and related charges are paid by the customer.
Can I cancel an order?
Contact us as soon as possible. You may request cancellation before the order is dispatched.
What is the return window?
Eligible returns may be requested within 30 days of actual delivery, subject to the conditions and mandatory rights described in our Return & Refund Policy.
Where do I send a return?
Please contact support first to obtain the applicable instructions, return label and designated address. Do not send returns to our registered office or fulfillment warehouse without authorization.
What if an item arrives damaged or incorrect?
Contact info@lumiharushop.com with your order number and photographs. Please preserve damaged packaging and assist with the carrier claim. For a wrong item, we arrange correct shipment at no additional charge. Other legally required remedies remain available.
When will my refund be processed?
Once a return arrives at the designated return location, allow 3–10 business days for inspection and refund processing. Bank or payment-provider posting times can vary; statutory deadlines take priority.
Which payment methods can I use?
Use any payment method displayed and enabled at checkout for your location. ACH Direct Debit and USDC are not offered as advertised payment options.
Which currency is used?
USD is our base currency. Where supported, your local currency may be displayed or used for checkout; check the confirmed currency and amount before placing the order.
How do I read Korean date labels?
Korean packaging may include 제조 (manufacture), 까지 (until/by the displayed date), EXP (expiration) or a period-after-opening symbol. Interpret each label in its full packaging context; contact us if you need assistance.
How can I contact support?
Email info@lumiharushop.com or call +1 603 291 9932, Monday–Friday, 10:00 AM–6:00 PM EST.
Customer Service
Operated by: TIANMU LLC
Registered office: 8 The Grn, Ste R, Dover, DE 19901, USA
Customer support: info@lumiharushop.com | +1 603 291 9932
Support hours: Monday–Friday, 10:00 AM–6:00 PM EST