Privacy policy

Last updated: January 20, 2026

DaiyoDrugStore operates this store and website, including all related information, content, features, tools, products, and services, to provide you, the customer, with a curated shopping experience (the "Services"). DaiyoDrugStore is powered by Shopify, which enables us to provide the Services to you. This Privacy Policy describes how we collect, use, and disclose your personal information when you visit, use, or make a purchase or other transaction through the Services, or otherwise communicate with us. If there is a conflict between our Terms of Service and this Privacy Policy, this Privacy Policy controls with respect to the collection, processing, and disclosure of personal information.

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

Personal Information We Collect or Process

When we use the term "personal information," we are referring to information that identifies, or can reasonably be linked to, you or another person. Personal information does not include information that is collected anonymously or that has been anonymized so that it cannot be identified. Depending on how you use the Services, where you live, and to the extent permitted or required by applicable law, we may collect or process the following categories of personal information (including inferences drawn from this personal information):

• Contact Information Includes your name, address, billing address, shipping address, phone number, and email address.
• Financial Information Includes credit cards, debit cards, financial account numbers, payment information, financial account information, transaction details, payment methods, payment confirmations, and other payment-related details.
• Account Information Includes your username, password, security questions, and various preferences and settings.
• Transaction Information Includes items you viewed, put in your cart, added to your wishlist, purchased, returned, exchanged, or canceled, and your past transaction history.
• Communications with Us Includes information contained in communications with us, for example, when you contact customer support.
• Device Information Includes information about your device, browser, and network connection, your IP address, and other unique identifiers.
• Usage Information Includes information about your interactions with the Services (such as how and when you access the Services and how you navigate them).

Sources of Personal Information

We may collect personal information from the following sources.

• Directly from You Includes when you create an account, visit or use the Services, contact us, or otherwise provide your personal information.
• Automatically Through the Services Includes information collected from your device when you use our products or services or visit our websites, and through cookies and similar technologies.
• From Our Service Providers Includes when we engage them to enable certain technologies, and when they collect or process your personal information on our behalf.
• From Our Partners and Other Third Parties

How We Use Your Personal Information

Depending on how you interact with us and which services you use, we may use personal information for the following purposes.

• Providing, Customizing, and Improving the Services We use personal information to provide the Services to you. This includes performing our contract with you, processing payments, fulfilling orders, remembering your preferences and the items you are interested in, sending notifications related to your account, processing purchases, returns, exchanges and other transactions, creating, maintaining and managing your account, arranging shipping, facilitating returns and exchanges, enabling you to post reviews, and providing a personalized shopping experience, such as recommending items related to your purchase history. This may include using your personal information to better customize and improve the Services.
• Marketing and Advertising We use your personal information for marketing and promotional purposes. For example, this includes sending marketing, advertising and promotional communications by email, text message, or postal mail, and displaying online advertisements within the Services or on other websites based on products or services you previously purchased or added to your cart and your other use of the Services.
• Security and Fraud Prevention We use your personal information to authenticate your account, provide a secure payment and shopping experience, detect, investigate and respond to possible fraudulent, unauthorized, illegal, dangerous, or malicious activity, protect public safety, and ensure the security of the Services. If you register an account using the Services, you are responsible for keeping your account credentials secure. We strongly recommend that you do not share your username, password, or other access information with anyone else.
• Communicating with You We use personal information to provide you with customer support, respond to you promptly, provide effective services, and maintain our business relationship with you.
• Legal Reasons We use your personal information to comply with applicable laws and to respond to legitimate legal processes, including requests from law enforcement and government agencies. We also use it to participate in or investigate civil discovery proceedings, potential or actual litigation and other legal disputes, and to investigate and enforce potential violations of our terms of use and policies.

How We Disclose Personal Information

In certain circumstances, and in accordance with this Privacy Policy, we may disclose your personal information to third parties for legitimate purposes. Such circumstances may include the following.

• Shopify and vendors and other third parties who provide services on our behalf (for example, IT management, payment processing, data analytics, customer support, cloud storage, fulfillment and shipping).
• We share it with business and marketing partners for providing marketing services and delivering advertisements to you. For example, we use Shopify to support personalized advertising in coordination with third-party services, based on your online activity across various merchants and websites. Our business and marketing partners use your information in accordance with their own privacy policies. Depending on where you live, you may have the right to instruct us not to share your information for targeted advertising and marketing based on your online activity across different merchants and websites. You may exercise the right to opt out of these uses. here
• We disclose certain information when you direct, request, or consent to our disclosing it to a third party (for example, when shipping products or when using social media widgets or login integrations).
• We may share it within our affiliates or other corporate group.
• We may disclose personal information in connection with business transactions such as mergers or bankruptcy, to comply with applicable legal obligations (including responding to subpoenas, search warrants, and similar requests), to enforce applicable terms of use and policies, and to protect and defend the Services, our rights, and the rights of users and others.

Relationship with Shopify

The Services are hosted by Shopify, and we collect and process personal information about your access to and use of the Services in order to provide and improve the Services for you. Information you submit through the Services is transmitted to and shared with Shopify and third parties that may be located in countries other than your country of residence, in order to provide and improve the Services for you. In addition, in order to protect, expand, and improve our business, we use certain enhanced features of Shopify that incorporate data and information obtained when you interact with our store, other merchants, and Shopify. To provide these enhanced features, Shopify may use personal information it collects about your interactions with our store, other merchants, and Shopify. In such cases, Shopify is responsible for the processing of your personal information and responds to requests to exercise your rights regarding the use of personal information for these purposes. To learn more about how Shopify uses your personal information and the rights you may have, please see the following. Shopify Consumer Privacy Policy . Depending on where you live, you may be able to exercise certain rights regarding your personal information here. Shopify Privacy Portal Link.

External Websites and Links

The Services may include links to websites and other online platforms operated by external services. If you follow a link to a site that we are not affiliated with or do not control, please review that site's privacy and security policies and other terms of use. We do not guarantee, and accept no responsibility whatsoever for, the privacy or security of such sites or the accuracy, completeness, or reliability of information found on them. Information you provide in public or semi-public places, such as the social networking platforms of external services, may be viewed by other users of the Services and users of those external service platforms, without restriction on use by us or the external service. The inclusion of such a link does not in itself imply any endorsement or recommendation, except where the content of those platforms or their owners or operators are expressly identified on the Services.

Children's Data

The Services are not intended for children, and we do not knowingly collect personal information from children under the age of majority in your jurisdiction. If you are the parent or legal guardian of a child who has provided personal information to us, you may contact us through the contact information below to request deletion of the information. As of the effective date of this Privacy Policy, we have no actual knowledge that we "share" or "sell" (as those terms are defined under applicable law) the personal information of individuals under 16 years of age.

Security and Retention of Your Information

Please be aware that no security measure is perfect or impenetrable, and we cannot guarantee "perfect security." In addition, information you send to us may not be secure while in transit. When communicating sensitive or confidential information to us, we recommend that you refrain from using insecure means of communication.

How long we retain your personal information depends on various factors, such as maintaining your account, providing the Services, complying with legal obligations, resolving disputes, and enforcing other applicable agreements and policies.

Your Rights and Choices

Depending on where you live, you may have some or all of the rights described below regarding your personal information. However, these rights are not absolute, may apply only in certain circumstances, and, where permitted by law, we may decline your request.

• Right to Access / Right to Know You may have the right to request access to the personal information we hold about you.
• Right to Delete You may have the right to request deletion of the personal information we hold about you.
• Right to Correct You may have the right to request deletion of the personal information we hold about you.
• Right to Data Portability You may have the right to receive a copy of the personal information we hold about you and, in certain circumstances and subject to exceptions, to request that it be transferred to an external service.
• Right to Opt Out of the Sale or Sharing of Personal Information for Targeted Advertising Depending on where you live, you may have the right to opt out of the "sale" or "sharing" of personal information for the purposes of "targeted advertising," or of the processing of personal information, as provided under applicable privacy laws. You may exercise the right to opt out of these uses here . If you visit our website with the opt-out setting of Global Privacy Control enabled, then depending on where you live, it will be automatically treated as an opt-out request for your device and browser, so please be aware of this. If the signal sent can be associated with a specific Shopify account, we will also apply the opt-out request to that account. If you would like to learn more about Global Privacy Control, please visit the following site. https://globalprivacycontrol.org/ We do not recognize other "Do Not Track" signals that may be sent from your web browser or device, other than Global Privacy Control.
• Managing Communication Preferences We may send you promotional emails, but you can stop receiving them at any time by using the unsubscribe option displayed in the email. Even if you unsubscribe, we may continue to send you non-promotional emails, such as important notices about your account and orders

You may exercise these rights where described in the Services or by contacting us through the contact information below. To learn more about how Shopify uses your personal information and your rights, including rights regarding data processed by Shopify, please visit the following site. https://privacy.shopify.com/en

We will not treat you unfavorably because you exercised these rights. Where permitted or required by applicable law, we may need to verify your identity before processing your request. In accordance with applicable law, you may appoint an authorized agent to exercise your rights on your behalf. Before accepting such a request from an agent, we may require the agent to provide documentation proving that you authorized them, and we may also require you to verify your identity directly with us. We will respond to your request within the time frame required by applicable law.

Complaints

If you are dissatisfied with how we handle personal information, please contact us using the contact information below. Depending on where you live, you may have the right to appeal our decision through the contact information below or to lodge a complaint with your local data protection authority. In the European Economic Area (EEA), a list of the responsible data protection supervisory authorities can be found here.

International Transfers

Please be aware that we may transfer, store, and process your personal information outside your country of residence.

When we transfer your personal information outside the European Economic Area (EEA) or the United Kingdom, unless the destination country is recognized as providing an adequate level of protection, we will rely on approved transfer mechanisms, such as the European Commission's Standard Contractual Clauses or, where applicable, equivalent agreements issued by the competent UK authority.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time due to changes in our practices or for other operational, legal, or regulatory reasons. The revised Privacy Policy will be posted on this website, the "Last updated" date will be updated, and we will provide notice in accordance with applicable law.

Contact Us

If you have any questions about our privacy practices or this Privacy Policy, or if you would like to exercise your rights, please contact us through the contact form, or contact us at 2-41-2-101 Shin-Koiwa, Katsushika-ku, Tokyo, 124-0024, JP. For the purposes of applicable data protection laws, we are the data controller of your personal information.