Legal notices

For any concern about the content of this website, please write to Synthena Pharmaceuticals Limited through the contact form. We read and answer every message.

About this website

This website is published by Synthena Pharmaceuticals Limited, a company registered in Hong Kong. Registered office: Unit B, 11/F, Yam Tze Commercial Building, 23 Thomson Road, Wan Chai, Hong Kong. Business Registration Certificate No. 80777700-000-07-26-9, commenced 6 July 2026. It describes research and development. It does not establish the safety or efficacy of any Synthena medicine, and no Synthena PDRN medicine has been approved for any indication in any country.

Nothing on this website is medical advice. If you are living with one of the conditions we study, please speak with your doctor about your care.

Published work and press

The News page lists papers and press coverage on PDRN as they appear, each credited and linked to its source. The views expressed in those items belong to their authors and publishers, not to Synthena. We do not edit them and we do not endorse them.

Use of this website

The text, pictures and films on this website belong to Synthena Pharmaceuticals Limited unless another owner is named. You may read, print and share pages for personal, non-commercial use, with the source credited. Any other use needs our written permission.

Links to other websites are provided for convenience. We are not responsible for their content.

Raising a concern

If you believe something on this website is wrong, out of date, or infringes a right you hold, write to us through the contact form with the page and the reason. We aim to answer within ten working days.

Accessibility

We aim for this website to meet the Web Content Accessibility Guidelines 2.1 at level AA. Every picture carries a description, every page can be used with a keyboard alone, and every film can be paused. If a part of the site does not work for you, tell us through the contact form and we will fix it.

Last updated September 24, 2026.