Privacy policy

Last updated: September 25, 2026

matcha stillness (referred to as “we,” “us,” or “our”) operates this website and its related information, content, features, tools, products, and services (collectively, the “Services”). We use Shopify to provide the Services.

This Privacy Policy explains how we collect, use, and disclose your personal information when you browse or use the Services, purchase products, conduct other transactions, or contact us.

If there is a conflict between our Terms of Service and this Privacy Policy, this Privacy Policy will control with respect to the collection, processing, and disclosure of personal information.

Please read this Privacy Policy carefully. By using the Services, you acknowledge that you understand the collection, use, and disclosure of personal information as described in this Privacy Policy.

Personal Information We Collect or Process

In this Privacy Policy, “personal information” means information that identifies you or another person, or that can reasonably be linked to you or another person. It does not include information collected anonymously or information that has been de-identified so that it can no longer reasonably be linked to an individual.

Depending on how you use the Services, where you live, and the requirements of applicable law, we may collect or process the following categories of personal information:

• Contact details, including your name, address, billing address, shipping address, telephone number, and email address
• Payment information, including your payment method, payment confirmation, transaction details, and other information necessary to process payment
• Account information, including your username, password, preferences, and settings
• Transaction information, including products you view, add to your cart, purchase, return, exchange, or cancel, as well as your transaction history
• Communications with us, including customer support inquiries and other correspondence
• Device information, including information about your device, browser, network connection, IP address, and other identifiers
• Usage information, including how and when you access, browse, and interact with the Services

Sources of Personal Information

We may collect personal information from the following sources:

• Information provided directly by you
• Information collected automatically through the Services, cookies, and similar technologies
• Information provided by service providers that we use
• Information provided by our business partners or other third parties

How We Use Personal Information

We may use the personal information we collect for the following purposes:

• Processing product orders, payments, shipments, returns, exchanges, and refunds
• Creating, maintaining, and managing customer accounts
• Providing services and product recommendations based on purchase history and interests
• Operating, maintaining, improving, and optimizing the Services
• Responding to inquiries and providing customer support
• Sending notices concerning orders, accounts, and the Services
• Providing advertising, promotional, and marketing communications with your consent
• Detecting, investigating, and preventing fraudulent, illegal, unsafe, or malicious activity
• Providing a secure payment and shopping environment
• Complying with applicable laws and responding to valid requests from courts, regulatory authorities, and law enforcement agencies
• Enforcing our Terms of Service and policies and protecting our rights

How We Disclose Personal Information

Subject to this Privacy Policy, we may disclose personal information to third parties for legitimate purposes in the following circumstances:

• To Shopify and service providers that perform services on our behalf
• When necessary for payment processing, data analysis, IT administration, customer support, cloud storage, order fulfillment, shipping, and delivery
• To businesses that provide advertising and marketing services
• When you direct, request, or consent to disclosure to a third party
• In connection with a merger, sale of a business, reorganization, bankruptcy, or other business transaction
• To comply with legal obligations and valid requests from courts, regulatory authorities, or law enforcement agencies
• When necessary to protect the rights, property, and safety of the Services, our business, our customers, or other persons

Service providers engaged by us process personal information in accordance with their own privacy policies and applicable laws.

Relationship with Shopify

The Services are hosted by Shopify. Shopify may collect and process personal information concerning your access to and use of the Services in order to provide and improve the Services.

Information you submit through the Services may be transmitted to or shared with Shopify and third parties that may be located outside your country of residence, to the extent necessary to provide and improve the Services.

For more information about how Shopify handles personal information, please review the following resources:

Shopify Consumer Privacy Policy:
https://www.shopify.com/legal/privacy/app-users

Shopify Privacy Portal:
https://privacy.shopify.com/en

Cookies and Similar Technologies

We and Shopify may use cookies and similar technologies to provide the Services, maintain functionality, analyze usage, remember preferences, maintain security, and optimize advertising.

You may be able to disable cookies through your browser settings. However, disabling cookies may prevent some parts of the Services from functioning properly.

Third-Party Websites and Links

The Services may contain links to websites or online services operated by third parties. If you follow a link to a website that we do not control, you should review that website’s privacy policy, security policy, and terms of use.

We are not responsible for the content, accuracy, security, or privacy practices of websites operated by third parties.

Children’s Personal Information

The Services are not intended for children, and we do not knowingly collect personal information from children who have not reached the age of majority under applicable law.

If you are a parent or guardian and believe that your child has provided personal information to us, you may contact us using the details at the end of this Privacy Policy to request its deletion.

Security and Retention of Personal Information

We take reasonable safeguards to prevent unauthorized access to, loss, destruction, alteration, or disclosure of personal information. However, no security measure is perfect, and we cannot guarantee the complete security of personal information.

The length of time we retain personal information depends on the purposes for which it is used, including providing the Services, maintaining accounts, complying with legal obligations, resolving disputes, and enforcing contracts and policies. When personal information is no longer required for these purposes, we will delete or anonymize it in accordance with applicable law.

Your Rights and Choices

Depending on the laws of the country or region where you live, you may have some or all of the following rights concerning the personal information we hold about you:

• Right of access: The right to request access to the personal information we hold about you
• Right to deletion: The right to request the deletion of personal information we hold about you
• Right to correction: The right to request the correction of inaccurate personal information we hold about you
• Right to data portability: The right to receive a copy of your personal information and, in certain circumstances, request that it be transferred to a third party
• Right to opt out of marketing communications: The right to unsubscribe from promotional emails by using the unsubscribe link included in those emails

Even if you unsubscribe from promotional emails, we may continue to send you important non-promotional communications concerning your orders, payments, shipments, account, or security.

To exercise any of these rights, please contact us using the contact details at the end of this Privacy Policy. Where permitted or required by applicable law, we may need to verify your identity before processing your request.

We will not discriminate against you for exercising your privacy rights.

Complaints and Inquiries

If you have a question or complaint about how we process personal information, please contact us using the details at the end of this Privacy Policy. Depending on where you live, you may also have the right to submit a complaint to your local data protection authority.

International Transfers of Personal Information

We, Shopify, or service providers that we use may transfer, store, or process your personal information outside the country or region where you live.

When personal information is transferred internationally, we and the relevant service providers will take appropriate safeguards in accordance with applicable law.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes to our practices or for operational, legal, or regulatory reasons. When we make changes, we will post the revised version on this website and update the “Last updated” date.

Contact Information

If you have any questions about our privacy practices or this Privacy Policy, or if you would like to exercise any of your privacy rights, please contact us using the details below.

Stillness Lab LLC
1-4-24 Chuo-machi, Oita City, Oita 870-0035, Japan
Email: info@stillnesslab.online