Contact CosIng Checker
Questions about EU cosmetic ingredients, Annex II–VI records, restrictions, warnings or data issues? We would be happy to hear from you.
How We Can Help
You can contact us for general questions, data feedback, suggested corrections, research requests and partnership discussions related to cosmetic ingredient information.
Data questions
Ask about ingredient pages, annex records, warnings or identifiers such as CAS and EC numbers.
Corrections
Report issues in formatting, parsing, content mapping or record presentation.
Partnerships
Get in touch about collaborations, integrations or content partnerships.
Site feedback
Share ideas for improving usability, accessibility, search and structured ingredient pages.
Other Ways to Reach Us
- [email protected]
- Topic
- EU cosmetic ingredient database, Annex II–VI restrictions, warnings and site support
- Response
- We aim to review messages as quickly as possible.
Accessibility note
If you need information in a simpler format or encounter an accessibility issue while using the site, please mention it in your message so we can improve the experience.
Before You Contact Us
You may find a quick answer in our FAQ or by searching the ingredient database directly.