Privacy Policy

Last updated 17.4.2025

CTK OTC LABORATORIES(“we”, “us”, or “our”) cares about your privacy and wants you to be familiar with how we collect, use, and disclose information. This Privacy Policy describes our practices in connection with information that we or our service providers collect through the website (hereinafter the “Service”) operated and controlled by us from which you are accessing this Privacy Policy. By providing personal information to us or by using the Service, you acknowledge that you have read and understand this Privacy Policy.

USE BY MINORS

The Service is not directed to individuals under the age of 16 and we request that these individuals not provide personal information through the Service. If your child has submitted Personal Information and you would like to request that such Personal Information be removed, please contact us as explained below under Contacting Us.

INFORMATION COLLECTION

We may ask you to submit personal information in order for you to benefit from certain features (such as newsletter subscriptions, tips/pointers, or order processing) or to participate in a particular activity (such as sweepstakes or other promotions). You will be informed what information is required and what information is optional.We may combine the information you submit with other information we have collected from you, whether on or offline, including, for example, your purchase history.

We may also combine it with information we receive about you from the following other sources:  CTK OTC LABORATORIES, publicly available information sources (including information from your publicly available social media profiles), and other third parties.

If you submit any personal information relating to another individual to us, you represent that you have the authority to do so and to permit us to use the information in accordance with this Privacy Policy.

SENSITIVE INFORMATION

Unless we specifically request or invite it, we ask that you not send us, and you not disclose, any sensitive personal information (e.g., Social Security numbers, information related to racial or ethnic origin, political opinions, religion or philosophical beliefs, health, sex life or sexual orientation, criminal background, or trade union membership, or biometric or genetic data for the purpose of uniquely identifying an individual) on or through the Service or otherwise to us.

AUTOMATIC INFORMATION COLLECTION AND USE

We and our service providers may automatically collect certain information when you browse the Services.We and our service providers may also automatically collect and use information in the following ways:

Through your browser: Certain information is collected by most browsers, such as your Media Access Control (MAC) address, computer type (Windows or Mac), screen resolution, operating system name and version, and Internet browser type and version. We may collect similar information, such as your device type and identifier, if you access the Service through a mobile device. We use this information to ensure that the Service functions properly.

IP address: Your IP address is a number that is automatically assigned to your computer by your Internet Service Provider. An IP address is identified and logged automatically in our server log files whenever a user visits the Service, along with the time of the visit and the pages visited. Collecting IP addresses is standard practice and is done automatically by many online services. We use IP addresses for purposes such as calculating Service usage levels, diagnosing server problems, and administering the Service. We may also derive your approximate location from your IP address.

Device Information: We may collect information about your mobile device, such as a unique device identifier, to understand how you use the Service.

SECURITY

We seek to use reasonable organizational, technical, and administrative measures designed to protect personal information under our control. Unfortunately, no data transmission over the Internet or data storage system can be guaranteed to be 100% secure. If you have reason to believe that your interaction with us is no longer secure (for example, if you feel that the security of any account you have with us has been compromised), please immediately notify us in accordance with the “Contacting Us” section below.

RETENTION PERIOD

We will retain your personal information for as long as needed or permitted in light of the purpose(s) for which it was obtained. The criteria used to determine our retention periods include: (i) the length of time we have an ongoing relationship with you and provide the Service to you; (ii) whether there is a legal obligation to which we are subject; and (iii) whether retention is advisable in light of our legal position (such as in regard to applicable statutes of limitations, litigation, or regulatory investigations).

For example, if we collect your personal information for marketing analytics purposes, we will store it for a period of one year, with a starting point of retention period, e.g., receipt of the request, closing of the contest, receipt of the complaint.

Please note, however, that this is not an exhaustive list of retention periods. Your personal information may be stored for a longer period using the criteria set forth in the first paragraph of this section, especially points (ii) and (iii).

THIRD PARTY SITES AND SERVICES

This Privacy Policy does not address, and we are not responsible for, the privacy, information, or other practices of any third parties, including any third party operating any site or online service (including, without limitation, any application) that is available through this Service or to which this Service contains a link. The availability of, or inclusion of a link to, any such site or property on the Service does not imply endorsement of it by us or by our affiliates.

CONTACTING US

CTK OTC LABORATORIES, located at 1690 N Delilah StCorona, California 92879, USA, is the company responsible for collection, use, and disclosure of personal information under this Privacy Policy. If you have any questions about this Privacy Policy, please contact us via info@ctkotc.com

LODGING A COMPLAINT WITH A REGULATOR

You may lodge a complaint with a supervisory authority competent for your country or region.  please contact us via info@ctkotc.com

UPDATES TO THIS PRIVACY

We may change this Privacy Policy. Any changes to this Privacy Policy will become effective when we post the revised Privacy Policy on the Service. Your use of the Service following these changes means that you accept the revised Privacy Policy. We recommend that you regularly review the Privacy Policy when you visit the Service. This policy was last updated November 2025.

PRIVACY POLICY FOR US RESIDENTS - 미국법

Effective: APRIL 17, 2025