Legal notice


Last updated: 18 September 2026

This Legal Notice applies to the website onyguard.com and to the business operations of OnyGuard. By accessing or using this website, you agree to the terms set out below.


1. Company information

Business Name: Prolong Lab, UAB
Registered Address: Dominikonų g. 11, LT-01131 Vilnius
Email: support@onyguard.com
Company Registration Number: 307116099
VAT/Tax Identification Number: LT100017808315


2. Website ownership

This website, including its content, design, structure and functionality, is owned and operated by Prolong Lab, UAB. Unauthorised use, reproduction, modification or distribution of any material from it without prior written consent is prohibited. See Section 20 of our Terms of Service.


3. Product status and regulatory position

Our products are cosmetic and personal care products for external use. They are not medicines and they are not medical devices.

These statements have not been evaluated by the Food and Drug Administration. Our products are not intended to diagnose, treat, cure or prevent any disease.

Information on this website — including articles, ingredient descriptions, images and customer stories — is provided for general information only and is not medical advice and not a substitute for it. Product performance varies between individuals and no particular outcome is promised. The full Medical Disclaimer is in Section 14 of our Terms of Service.

Regulatory requirements for cosmetic products differ between countries. We supply products only to the markets listed in our Shipping Policy. If you access this website from a country we do not serve, you are responsible for compliance with your local law.


4. Accuracy of content

We take reasonable care to keep the content of this website accurate and current, but we make no warranty, express or implied, as to its accuracy, completeness, reliability or fitness for any purpose. Content may be changed or removed at any time without notice.


5. Disclaimer of liability

To the fullest extent permitted by law, Prolong Lab, UAB is not liable for any loss, damage or claim arising directly or indirectly from your use of this website or from reliance on its content.

Nothing in this Notice excludes or limits liability that cannot lawfully be excluded, including liability for death or personal injury caused by negligence, for fraud, or under any consumer guarantee that cannot be excluded — including the consumer guarantees under the Australian Consumer Law. The full limitation of liability is in Sections 23 and 24 of our Terms of Service.


6. Intellectual property

All trade marks, logos, brand names, product names, images, text, video and other content on this website are the property of Prolong Lab, UAB or its licensors and are protected by copyright, trade mark and other intellectual property laws.

Nothing on this website grants any licence or right to use any trade mark without written permission. Unauthorised reproduction, modification, framing or distribution is prohibited and may result in legal action.

To report suspected infringement of your intellectual property rights, contact support@onyguard.com with details of the right you hold and the material concerned.


7. External links

This website may link to third-party websites and services. We do not control them, we are not responsible for their content, availability, security or practices, and a link does not imply endorsement. You access them at your own risk.


8. Unlawful content

If you believe content on this website is unlawful, contact support@onyguard.com with the location of the material and the reason. We review reports promptly and may remove content without prior notice.


9. Personal data

How we collect and use personal information is set out in our Privacy Policy. Our data protection contact is support@onyguard.com.

As a company established in Lithuania, our lead supervisory authority for data protection is the State Data Protection Inspectorate of the Republic of Lithuania (Valstybinė duomenų apsaugos inspekcija), L. Sapiegos g. 17, LT-10312 Vilnius, Lithuania — ada@ada.lt.


10. Governing law and jurisdiction

This Notice is governed by the laws of the Republic of Lithuania, and proceedings relating to it are subject to the exclusive jurisdiction of the courts of the Republic of Lithuania.

This does not deprive you of the protection of the mandatory consumer protection law of the country, state or province in which you live. Where you buy from us as a consumer, the governing law and dispute resolution provisions of our Terms of Service apply to that purchase — including, for customers in the United States, the binding arbitration agreement and class action waiver in Section 28 of those Terms.

Consumers resident in the European Union may use the European Commission's Online Dispute Resolution platform.


11. Our policies


12. Amendments

We may modify this Legal Notice at any time. The version published on this website at the time of your visit or purchase applies.


13. Contact

Prolong Lab, UAB (trading as OnyGuard) Dominikonų g. 11, LT-01131 Vilnius, Lithuania Email: support@onyguard.com Telephone (toll-free, United States): +1 (888) 530-7470