Others

Guide guide

About member registration


Please feel free to use it as we can place an order without registering as a member.


Membership registration is free, and no admission fee or annual membership fee is required.


Benefits of membership registration:


① You can collect points by shopping only for members. 5% of the product price will be returned as points, and you can use it as "1 point = 1 yen" for the next shopping. (Rounded down to the nearest whole number)


(2) Coupons for members will be distributed irregularly by e-mail newsletter.


③ Members-only sales will be held irregularly.


④ Members can pre-order products for pre-order sales.


⑤ Members can clearly find the order history and product tracking status.


⑥ Members can use the favorite function.




How to register as a member


STEP 1. Click the "Login" button at the top right of the site.


STEP 2. Enter your registration email address.


STEP 3. Enter the registration password.


STEP 4. Press the login button.




New member registration method


STEP 1. Click the "Account Registration" button at the top right of the site.


STEP 2. Please read the terms of use, check I agree to the terms of use, and click Continue.


STEP 3. Please save your registration email address and password in a safe place.




【please note】


If the email address you register has "(dot)" in front of @, or "(dot)" is used immediately before @, we will not be able to deliver the email. Please register with an address other than these conditions.


Emails from biumasks are sent from "support@biumasks.com".


If you have set the reception, please set it so that you can receive it.


If the registered e-mail address is Gmail, it may be received in the junk e-mail folder.


If you do not receive the email from our shop, please check the junk folder as well.


If you do not receive the confirmation email, please register our line id: biumasks.




● Change account information


STEP 1. Click on your login account information.


STEP 2. Change Please enter the desired information.


About login password


If you have forgotten your password and cannot log in, you can change it by clicking [Forgot your password ...] on the login screen.


STEP 1. Enter your registered "email address" and click "Continue".


STEP 2. We will send the registered url by system automatic delivery, so please check.


STEP 3. After resetting the password, please save it carefully.


About withdrawal


If you wish to withdraw from the membership, you will need to confirm your identity, so please contact us using "Customer Inquiries".


* You cannot check your order history after withdrawing from the membership.


* If you have any items you are currently ordering, please cancel the membership after receiving the items.


About ordering method


* We can place an order without registering as a member, so please feel free to use it.


Benefits of membership registration:


① You can collect points by shopping only for members. 5% of the product price will be returned as points, and you can use it as "1 point = 1 yen" for the next shopping. (Rounded down to the nearest whole number)


(2) Coupons for members will be distributed irregularly by e-mail newsletter.


③ Members-only sales will be held irregularly.


④ Members can pre-order products for pre-order sales.


⑤ Members can clearly find the order history and product tracking status.


⑥ Members can use the favorite function.


● Fee


Credit card payment: Please note that a 5% -8% fee may be charged depending on the card company. Please contact the card issuer for details.


About order summary


Products are shipped for each order and cannot be combined into one on the system.


We apologize for the inconvenience, but we will deliver by order number. Please note.


About payment


About credit card payment


* Only one-time payment is available. Please note that you cannot specify the number of payments or make installments.


* Please note that you may be asked to verify your identity (telephone verification, etc.) when ordering.


* Depending on your credit card status, a fee may be charged when making a payment. The handling fee will be borne by the customer. For more information, please contact your card company directly.


About receipt issuance


If you would like to receive a receipt when you place an order, please fill in the receipt items in the comment field of your order. If you forget to enter a comment when ordering, please contact the "Customer Center" by email or phone.


* Please note that we cannot respond to requests for receipts for orders placed after shipping is completed.


About refund


● Please understand that if you wish to receive a refund before shipping, we will exclude the handling fee of 500 yen.


● If you wish to receive a refund due to a temporary shortage, please be assured that we will refund you within 1-7 days.


Credit card refund procedure


STEP 1: Please contact the "Customer Center" and submit your refund request.


STEP 2: The person in charge at the "Customer Center" will immediately submit the refund procedure to the credit card company.


STEP 3: Refund procedure Please note that it takes about 25 business days from submission to delivery to your account.