Frequently Asked Questions
Find answers about EU cosmetic ingredients, Annex II–VI restrictions, warnings, ingredient records and how to use CosIng Checker.
CosIng Checker is a searchable resource for EU cosmetic ingredients, including Annex II–VI restrictions, warnings, preservatives, UV filters, colorants and related ingredient metadata.
The site focuses on publicly available EU cosmetic ingredient reference data and structured ingredient records.
- Chemical names and glossary names
- CAS numbers and EC numbers
- Restrictions and warnings
- Preservatives, UV filters and colorants
- Annex II–VI references and update metadata
CosIng Checker is useful for:
- Compliance and regulatory teams
- Researchers and analysts
- Cosmetic product developers
- Writers and editors working with ingredient content
- Consumers who want to better understand ingredient records
Yes. You can search for a specific ingredient and review available fields such as restrictions, warnings, CAS numbers, EC numbers, annex references and structured notes.
CosIng Checker organizes data related to key EU cosmetic annexes.
- Annex II: prohibited substances
- Annex III: restricted substances
- Annex IV: allowed colorants
- Annex V: allowed preservatives
- Annex VI: allowed UV filters
No. CosIng Checker is an informational and research-oriented resource. For legal or regulatory decisions, users should verify important details against official legal and regulatory sources.
The site can help with discovery, review and research, but critical compliance decisions should always be cross-checked with official regulations and source materials.
Yes. If you notice a parsing issue, a formatting problem, a content mismatch or an accessibility problem, you can contact us and let us know.
Yes. The site is designed to make ingredient information easier to browse and understand without requiring users to navigate raw reference files directly.
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