Contact oioeos®
A Little Help, Whenever You Need It
Questions about a skincare product, your daily routine, or an order? We’re here to help you find the information you need and make shopping with oioeos® feel straightforward.
The Company Behind oioeos®
oioeos® is owned and operated by Hangzhou Milai E-commerce Technology Co., Ltd. The company is responsible for the sale of products, order processing, customer support, returns, refunds, and other transactions conducted through oioeos.com.
Business Information
Brand Nameoioeos®
Websiteoioeos.com
Company NameHangzhou Milai E-commerce Technology Co., Ltd.
Registered AddressRoom 506-21, No. 150 Guangtai Road, Xiasha Subdistrict, Qiantang District, Hangzhou, Zhejiang, China.
Get in Touch
Emailservice@oioeos.com
Phone+852 2197 896
Customer Service HoursMonday–Saturday, 9:00 AM–6:00 PM EST.
We aim to respond to customer inquiries within 1–2 business days. Requests requiring coordination with a shipping carrier, payment provider, or another service may take additional time to resolve.
What Can We Help You With?
Explore Your Skincare Options
If you’d like to learn more before choosing a product, contact us with questions about:
- Product textures, formats, and intended uses.
- Listed ingredients and directions for use.
- Product sizes, availability, and packaging.
- How a product fits into your everyday skincare routine.
Please include the product name or a link to its page so we can provide relevant information. Our team can explain product details, but cannot provide personalized medical advice.
Check on an Order
For help with an existing purchase, please email us with your order number, the email address used at checkout, and a short description of your question.
We can assist with order confirmations, payment questions, shipping updates, delivery concerns, and missing items.
To help us direct your message, you can use a subject line such as:
Order #[Your Order Number] — Delivery Question
If Something Arrives Unexpectedly
We want to know if your order arrives damaged, defective, incomplete, or different from what you purchased.
Please contact us as soon as possible and include your order details, along with clear photographs or videos showing:
- The item received and the issue.
- The product packaging.
- The outer shipping packaging and shipping label.
Keep the item and its packaging while we review your request. These details help us understand what happened and determine the appropriate next steps.
Arrange a Return or Ask About a Refund
Please contact service@oioeos.com before sending an item back. Our team will review your request under our Return & Refund Policy and provide the applicable instructions and designated return address.
The registered business address above is provided for company identification. Please wait for return instructions before using it to send a parcel.
For a refund-status enquiry, include your order number and any previous correspondence about the return.
Other Questions and Privacy Requests
You can also contact us about payment concerns, your shopping experience, or requests relating to your personal information.
For privacy enquiries, please use “Privacy Request” in your email subject line and briefly explain your request. We may need additional information to verify your identity before processing it.
Please do not send passwords or complete payment-card details by email.