Privacy Policy

Last Updated: July 29, 2026

MARSTEN is operated by ZENTARA BRANDS LIMITED (“MARSTEN,” “we,” “us,” or “our”).

This Privacy Policy explains how we collect, use, disclose, retain, and protect personal information when you:

  • Visit or interact with marstenhome.com

  • Purchase or consider purchasing a product

  • Create or use a customer account

  • Contact customer support

  • Request a return, refund, replacement, or other resolution

  • Subscribe to marketing communications

  • Submit a review, form, photograph, video, or other content

  • Otherwise interact with our website and related services

Our website, online store, customer-service functions, and related services are collectively referred to as the “Services.”

Our online store is hosted by Shopify, which provides the ecommerce platform and related technology used to operate the Services.

By using the Services, you acknowledge the practices described in this Privacy Policy.

1. Personal Information We Collect

The personal information we collect depends on how you interact with MARSTEN.

Contact Information

We may collect:

  • Full name

  • Email address

  • Telephone number

  • Billing address

  • Shipping address

  • Other contact information you provide

Order and Transaction Information

We may collect information relating to:

  • Products viewed, added to a cart, purchased, returned, or replaced

  • Order number

  • Purchase history

  • Transaction amount

  • Discounts or promotional codes used

  • Billing and shipping information

  • Order status

  • Fulfillment and delivery information

  • Carrier and tracking information

  • Returns, refunds, replacements, cancellations, and warranties

  • Payment disputes and chargebacks

  • Customer-service history

Payment Information

Payments are processed through Shopify and other authorized payment providers.

Depending on the payment method selected, these providers may collect or process:

  • Payment-card information

  • Billing information

  • Bank or payment-account information

  • Digital-wallet information

  • Payment authentication information

  • Transaction identifiers

  • Fraud-screening results

MARSTEN does not directly receive or store complete payment-card numbers or card security codes through its ordinary business systems.

We may receive limited payment-related information, such as the payment method, card brand, final digits of a payment card, payment status, billing address, transaction identifier, and refund or dispute information.

Customer Account Information

Where customer-account functionality is available, we may collect:

  • Account identifiers

  • Login or authentication information

  • Saved addresses

  • Order history

  • Account preferences

  • Communication preferences

You are responsible for protecting your account credentials and notifying us promptly if you believe your account has been accessed without authorization.

Communications and Submitted Content

We may collect information contained in communications or materials you submit, including:

  • Customer-service inquiries

  • Contact-form submissions

  • Emails

  • Telephone and voicemail communications

  • Product questions

  • Reviews and feedback

  • Survey or promotion responses

  • Return or refund requests

  • Product-support information

  • Photographs or videos of products, packaging, shipping labels, or reported damage

  • Delivery or return evidence

  • Other information you voluntarily provide

We do not record live telephone calls unless appropriate notice is provided where required.

Device and Website-Usage Information

When you use the Services, we and our service providers may automatically collect information such as:

  • IP address

  • Browser type

  • Device type

  • Operating system

  • Device or online identifiers

  • Referring website or source

  • Pages and products viewed

  • Search and navigation activity

  • Links, buttons, or advertisements selected

  • Shopping-cart activity

  • Checkout interactions

  • Date and time of access

  • Approximate location inferred from an IP address

  • Website errors and performance information

  • Cookie and similar technology information

Marketing and Advertising Information

Where marketing or advertising services are used, we may collect or receive information relating to:

  • Marketing preferences

  • Email engagement

  • Advertisement views or interactions

  • Referral sources

  • Campaign attribution

  • Products or categories of interest

  • Purchase or conversion events

  • Cookie, device, or advertising identifiers

Fraud-Prevention and Security Information

We may collect, generate, or evaluate information used to protect customers, payment-account holders, and our business, including:

  • Billing and shipping address comparisons

  • Address-verification results

  • Payment authentication results

  • IP address and device information

  • Order and delivery history

  • Payment attempts

  • Transaction value

  • Fraud-risk indicators

  • Account or checkout activity

  • Previous returns, refunds, disputes, or confirmed misuse

  • Delivery scans, photographs, signatures, and carrier records

  • Communications relating to suspected unauthorized activity

  • Information associated with payment disputes or chargebacks

We may combine information obtained from different sources where reasonably necessary to identify suspicious activity, verify transactions, investigate claims, prevent abuse, or defend legal rights.

2. How We Collect Personal Information

We may collect personal information:

Directly from You

For example, when you:

  • Place an order

  • Create an account

  • Contact us

  • Submit a form

  • Subscribe to marketing

  • Request a return or refund

  • Submit photographs, videos, reviews, or other content

  • Exercise a privacy right

Automatically

We may collect information automatically through:

  • Cookies

  • Pixels

  • Tags

  • Local storage

  • Server logs

  • Device identifiers

  • Analytics technologies

  • Advertising technologies

  • Security and fraud-prevention technologies

From Service Providers and Business Partners

We may receive information from:

  • Shopify

  • Payment processors

  • Banks and card networks

  • Digital-wallet providers

  • Fraud-prevention and verification providers

  • Fulfillment partners and warehouses

  • Product suppliers

  • Shipping carriers and delivery partners

  • Customer-support providers

  • Review platforms

  • Email and communication providers

  • Analytics and advertising providers

From Other Lawful Sources

Where permitted, we may receive information from:

  • Publicly available sources

  • Social-media platforms

  • Authorized representatives

  • Referral sources

  • Financial institutions

  • Government agencies

  • Law-enforcement authorities

  • Other parties involved in investigating fraud, delivery issues, disputes, or legal claims

3. How We Use Personal Information

We may use personal information to:

Provide the Services

This includes using information to:

  • Operate and maintain our website

  • Display products and website content

  • Maintain shopping-cart and checkout functionality

  • Create and administer customer accounts

  • Remember preferences

  • Improve website navigation and functionality

Process and Fulfill Orders

This includes using information to:

  • Receive and review orders

  • Process and verify payments

  • Confirm transactions

  • Allocate inventory

  • Prepare and fulfill products

  • Arrange shipping and delivery

  • Provide tracking information

  • Communicate order updates

  • Resolve delivery issues

Provide Customer Support

This includes using information to:

  • Respond to questions

  • Provide product information

  • Investigate reported issues

  • Process cancellations

  • Manage returns, refunds, replacements, and warranty matters

  • Review photographs, videos, and other supporting evidence

  • Maintain records of customer communications

Prevent Fraud and Protect the Services

This includes using information to:

  • Verify transactions and payment authorization

  • Detect suspicious or unauthorized activity

  • Review high-risk orders

  • Prevent account, promotion, return, or refund abuse

  • Investigate false or conflicting delivery claims

  • Protect customers and payment-account holders

  • Maintain website and account security

  • Enforce our policies and agreements

  • Respond to payment disputes and chargebacks

  • Establish, exercise, or defend legal claims

Analyze and Improve Our Business

This includes using information to:

  • Understand website activity

  • Measure product interest

  • Diagnose technical problems

  • Evaluate store and campaign performance

  • Improve products, content, navigation, and customer experience

  • Develop business forecasts and internal reporting

  • Personalize content or product recommendations where enabled and permitted

Communicate With You

We may use information to send:

  • Order confirmations

  • Payment and verification requests

  • Shipping and delivery updates

  • Return and refund communications

  • Account and security notices

  • Customer-service responses

  • Policy or service updates

  • Marketing communications where permitted

Advertising and Marketing

Where permitted, we may use information to:

  • Promote MARSTEN

  • Measure advertising performance

  • Attribute orders or other activity to advertisements

  • Build or measure advertising audiences

  • Display advertising that may be relevant to customer interests

  • Limit how frequently advertisements are displayed

  • Evaluate interactions with MARSTEN advertisements

Comply With Legal and Business Requirements

We may use information to:

  • Maintain financial, tax, accounting, and transaction records

  • Comply with laws, regulations, court orders, and lawful requests

  • Respond to regulators, banks, payment providers, and authorities

  • Conduct audits and internal investigations

  • Resolve disputes

  • Enforce contracts and policies

  • Protect our property, business, customers, and legal rights

4. Legal Bases for Processing

Where applicable law requires a legal basis, we may process personal information based on:

  • Performance of a contract, including processing and fulfilling an order

  • Compliance with a legal obligation

  • Our legitimate interests, including operating our business, providing support, improving the Services, maintaining security, preventing fraud, and defending legal rights

  • Your consent, where consent is requested or required

  • The establishment, exercise, or defense of legal claims

  • Other lawful grounds available under applicable law

Where processing is based on consent, you may withdraw that consent at any time. Withdrawal does not affect processing that occurred before consent was withdrawn or processing permitted under another lawful basis.

5. Cookies and Similar Technologies

We and our service providers may use cookies and similar technologies, including:

  • Pixels

  • Tags

  • Web beacons

  • Local or session storage

  • Device identifiers

  • Advertising identifiers

  • Embedded scripts

  • Server-side event technologies

These technologies may be used to:

  • Operate the website

  • Maintain shopping-cart and checkout sessions

  • Authenticate customer accounts

  • Remember preferences

  • Protect against fraud and security threats

  • Measure website activity and performance

  • Diagnose errors

  • Understand product and page interactions

  • Measure advertising and conversions

  • Personalize content or advertising where permitted

  • Record and respect privacy choices

Where required by applicable law, non-essential technologies will be used only after the required consent has been obtained.

You may manage available choices through our cookie banner, Cookie Preferences control, or browser settings. Disabling certain technologies may prevent portions of the website, shopping cart, customer account, or checkout from functioning correctly.

Additional information is provided in our Cookie Policy, available through the website footer.

6. Advertising, Analytics, and Data Sharing

We may work with analytics, advertising, search, social-media, and measurement providers.

Depending on the services and settings enabled, these providers may receive or process information such as:

  • IP address

  • Device and browser information

  • Cookie, device, or advertising identifiers

  • Pages and products viewed

  • Website interactions

  • Cart and checkout activity

  • Purchase and conversion information

  • Approximate location

  • Hashed or pseudonymized identifiers

We do not sell personal information in exchange for money.

However, some disclosures made through advertising, analytics, audience, or similar technologies may be legally considered:

  • A “sale” of personal information

  • “Sharing” for cross-context behavioral advertising

  • Processing for targeted advertising

These terms are defined by applicable privacy laws and may be broader than their ordinary meanings.

Where applicable, you may opt out through the Do Not Sell or Share My Personal Information link available in the website footer.

Where required by applicable law and supported by our privacy systems, we also process recognized browser-based opt-out preference signals, such as Global Privacy Control.

An advertising opt-out does not prevent us from processing personal information where reasonably necessary to operate the website, process an order, provide support, maintain security, prevent fraud, comply with law, or defend legal rights.

7. How We Disclose Personal Information

We may disclose personal information to the following categories of recipients where reasonably necessary for the purposes described in this Privacy Policy.

Shopify

Shopify hosts and operates the ecommerce infrastructure used by MARSTEN, including storefront, checkout, security, account, analytics, fraud-prevention, personalization, and related platform services.

Payment and Financial-Service Providers

We may disclose information to:

  • Payment processors

  • Banks and card issuers

  • Card networks

  • Digital-wallet providers

  • Payment-authentication providers

  • Fraud-prevention and transaction-verification providers

These parties may process information necessary to authorize, complete, refund, investigate, or dispute a transaction.

Fulfillment and Delivery Partners

We may disclose necessary order and contact information to:

  • Product suppliers

  • Warehouses

  • Fulfillment partners

  • Shipping carriers

  • Local delivery partners

  • Return-processing facilities

This information may include the customer’s name, delivery address, telephone number, email address, order details, and delivery instructions.

Technology and Business-Service Providers

We may use providers that assist with:

  • Website functionality and hosting

  • Data storage

  • Customer support

  • Email and communications

  • Product reviews

  • Analytics

  • Advertising and marketing

  • Fraud prevention

  • Security

  • Accounting and tax compliance

  • Legal and professional services

These providers may process personal information to perform services for us or for other purposes permitted by their agreements and applicable law.

Professional Advisers

We may disclose information to:

  • Lawyers

  • Accountants

  • Auditors

  • Insurers

  • Consultants

  • Other professional advisers

Legal, Regulatory, and Safety Disclosures

We may disclose personal information where reasonably necessary to:

  • Comply with applicable law

  • Respond to a court order, subpoena, regulatory inquiry, or governmental request

  • Investigate fraud, theft, abuse, or unlawful conduct

  • Respond to a bank, payment network, processor, or chargeback administrator

  • Protect customers, payment-account holders, employees, or other persons

  • Protect MARSTEN’s property, systems, business, or legal rights

  • Enforce our policies and agreements

  • Establish, exercise, or defend legal claims

Business Transactions

Personal information may be disclosed or transferred in connection with:

  • A merger

  • Acquisition

  • Financing

  • Reorganization

  • Sale of assets

  • Insolvency proceeding

  • Transfer of all or part of our business

Where required, the recipient will be required to process the information consistently with applicable law.

8. Shopify’s Processing of Personal Information

The Services are hosted by Shopify.

Shopify collects and processes personal information concerning your access to and use of the Services in order to provide, secure, maintain, personalize, analyze, and improve Shopify’s platform and related services.

Depending on the Shopify settings and features enabled for our store, Shopify may process information based on your interactions with:

  • MARSTEN

  • Other merchants using Shopify

  • Shopify’s own applications, services, and features

This processing may help MARSTEN and Shopify:

  • Provide a more personalized shopping experience

  • Improve store and platform performance

  • Understand how customers interact with stores and advertising

  • Prevent fraud and maintain security

  • Measure and provide advertising services

Information concerning your activity may be shared with Shopify and other service providers, which may be located in countries other than your country of residence.

Shopify may be responsible for certain processing that it conducts for its own purposes. Information about Shopify’s practices and the privacy rights available directly through Shopify is provided in the Shopify Consumer Privacy Policy and through the Shopify Privacy Portal.

9. Marketing Communications

Where permitted by law, we may send promotional emails or other marketing communications.

You may unsubscribe from marketing emails at any time by:

  • Selecting the unsubscribe link in the message

  • Adjusting available communication preferences

  • Contacting us at contact@marstenhome.com

Unsubscribing from marketing does not prevent us from sending non-promotional communications relating to:

  • Orders

  • Payments

  • Transaction verification

  • Shipping and delivery

  • Returns and refunds

  • Account security

  • Policy changes

  • Customer-service requests

  • Legal or operational notices

We may retain a limited record of your unsubscribe request to ensure that your preference continues to be respected.

10. International Processing and Transfers

ZENTARA BRANDS LIMITED is registered in Hong Kong. MARSTEN serves customers in the United States, our store is hosted through Shopify, and our service providers may operate in multiple jurisdictions.

Personal information may therefore be transferred to, stored in, accessed from, or processed in countries outside your state or country of residence.

The privacy and data-protection laws of those countries may differ from those in your jurisdiction.

Where applicable law requires safeguards for an international transfer, we may use contractual protections or other recognized transfer mechanisms.

11. Data Retention

We retain personal information for as long as reasonably necessary for the purposes described in this Privacy Policy.

Factors affecting retention include:

  • The length of our relationship with you

  • The type and sensitivity of the information

  • The purpose for which it was collected

  • Fulfillment, support, and operational requirements

  • Tax, accounting, and recordkeeping obligations

  • Fraud-prevention and security requirements

  • Return, refund, warranty, and chargeback periods

  • Applicable limitation periods

  • Pending or reasonably anticipated disputes

  • Legal, regulatory, contractual, or payment-network requirements

We may retain information where reasonably necessary to:

  • Complete and document a transaction

  • Fulfill an order

  • Provide customer support

  • Process a return, refund, replacement, or warranty request

  • Investigate fraud or unauthorized activity

  • Respond to a payment dispute or chargeback

  • Prevent repeated abuse

  • Maintain financial, tax, and accounting records

  • Comply with legal obligations

  • Enforce agreements

  • Establish, exercise, or defend legal claims

A request to delete personal information does not require us to delete information that we are permitted or required to retain for these purposes.

When information is no longer reasonably required, we may delete, anonymize, aggregate, or securely isolate it in accordance with our procedures and applicable law.

12. Data Security

We use reasonable administrative, technical, and organizational measures intended to protect personal information against unauthorized access, acquisition, disclosure, alteration, misuse, loss, or destruction.

Depending on the system and information involved, these measures may include:

  • Encrypted website connections

  • Secure payment processing

  • Authentication and access controls

  • Restricted access based on business need

  • Fraud-screening and transaction-review procedures

  • Service-provider safeguards

  • Account and system security settings

  • Record-retention controls

  • Investigation and incident-response procedures

No website, transmission method, storage system, or security measure can be guaranteed to be completely secure.

You should protect your account credentials, use secure devices and networks, and notify us promptly if you believe your account, order, or personal information has been compromised.

Do not send complete payment-card numbers, card security codes, banking passwords, account passwords, or other unnecessary sensitive credentials through email, telephone, voicemail, or our contact form.

13. Your Privacy Rights

Depending on where you live and subject to applicable law, you may have the right to:

  • Request confirmation of whether we process your personal information

  • Request access to personal information we hold about you

  • Request information about how personal information is collected, used, or disclosed

  • Request correction of inaccurate personal information

  • Request deletion of certain personal information

  • Request a portable copy of certain personal information

  • Object to or restrict certain processing

  • Withdraw consent where processing is based on consent

  • Opt out of marketing communications

  • Opt out of the sale or sharing of personal information

  • Opt out of targeted advertising

  • Limit certain uses or disclosures of sensitive personal information

  • Appeal a decision concerning a privacy request

  • Lodge a complaint with an applicable privacy or data-protection authority

Applicable rights are subject to legal definitions, exceptions, limitations, and verification requirements.

For example, we may be unable to delete information that is reasonably necessary to:

  • Complete a transaction

  • Fulfill an order

  • Process a return or refund

  • Maintain legally required records

  • Prevent fraud

  • Protect security

  • Respond to a dispute or chargeback

  • Exercise or defend legal claims

  • Protect the rights of another person

We will not unlawfully discriminate against you for exercising an applicable privacy right.

California residents should also review our California Consumer Privacy Act (CCPA/CPRA) Policy, available through the website footer.

14. How to Submit a Privacy Request

You may submit a privacy request using any of the following methods:

You may also use the contact form available on our website.

Please provide enough information to help us understand and process your request, such as:

  • Your full name

  • The email address associated with your interaction with MARSTEN

  • Your state or country of residence

  • The privacy right you wish to exercise

  • Relevant order or account information, where applicable

Do not send complete payment-card information, card security codes, banking passwords, account passwords, or government identification through ordinary email.

Verification

We may need to verify your identity before completing certain requests.

Verification may involve confirming information already associated with your account, communication, or transaction.

We will request only information reasonably necessary to:

  • Verify the request

  • Protect your personal information

  • Prevent fraudulent or unauthorized requests

  • Locate the relevant records

  • Comply with applicable law

Information collected for verification will not be used for unrelated purposes.

Authorized Agents

Where permitted by law, an authorized agent may submit a request on your behalf.

We may require evidence that:

  • You authorized the agent to act for you

  • The agent is legally permitted to submit the request

  • The request relates to the correct person

We may also contact you directly to verify your identity or confirm the agent’s authority, except where applicable law provides otherwise.

Response and Appeals

We will respond within the period required by applicable law.

Where a right to appeal is available, you may appeal our decision by contacting us at contact@marstenhome.com with the subject line:

Privacy Appeal – MARSTEN

Include the original request, our response, and the reason you believe the decision should be reconsidered.

15. Your Privacy Choices

Depending on your location and the systems available on our website, you may manage privacy choices through:

  • The cookie banner

  • The Cookie Preferences control

  • The Do Not Sell or Share My Personal Information page

  • A supported Global Privacy Control signal

  • The unsubscribe link in marketing emails

  • The contact methods provided in this policy

Certain cookie and advertising choices may apply only to the browser or device used to submit the preference.

You may need to repeat your selection if you:

  • Use another browser

  • Use another device

  • Clear your cookies

  • Browse in private or incognito mode

  • Reset browser privacy settings

Privacy choices do not prevent processing that is reasonably necessary to operate the Services, complete transactions, fulfill orders, provide requested support, prevent fraud, maintain security, comply with law, or defend legal rights.

16. Children’s Privacy

The Services are intended for adults and are not directed to children under 13 years of age.

We do not knowingly collect personal information directly from children under 13.

We also do not knowingly sell or share the personal information of consumers under 16 in a manner requiring affirmative authorization under applicable law.

If you believe that a child has provided personal information through the Services, contact us so that we can review the matter and take appropriate action.

17. Third-Party Websites and Services

The Services may contain links to websites, payment services, applications, social-media platforms, or other services operated by third parties.

Third parties maintain their own privacy and security practices. We are not responsible for the privacy, security, accuracy, availability, or content practices of independently operated third-party services.

We encourage you to review the privacy information provided by a third party before submitting personal information to that party.

18. Changes to This Privacy Policy

We may update this Privacy Policy periodically to reflect changes to:

  • Our business practices

  • The Services

  • Shopify functionality

  • Service providers

  • Technologies

  • Legal or regulatory requirements

The current version will be posted on this page with a revised “Last Updated” date.

Where required by law, we will provide additional notice before materially different processing begins.

19. Contact Information

MARSTEN is operated by:

  • Store Name: MARSTEN

  • Legal Company Name: ZENTARA BRANDS LIMITED

  • Company Number: 78899970

Registered Company Address

ZENTARA BRANDS LIMITED
Unit 2A, 17/F, Glenealy Tower
No. 1 Glenealy, Central
Hong Kong

You may also contact us through the contact form available on our website.

Customer Service Hours

  • Monday–Friday: 9:00 a.m.–6:00 p.m. Eastern Time

  • Saturday–Sunday: Closed

Ordinary customer-service inquiries are generally answered within 24–48 hours on business days. Privacy requests may require additional time for verification and processing in accordance with applicable law.