Preservative
5-Bromo-5-nitro-1,3-dioxane
Safety score · 0–100
Avoid
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A bromo-nitro dioxane preservative PROHIBITED in EU cosmetics under Annex II. Causes severe skin and eye burns and forms nitrosamines. Should never appear in a cosmetic product.
Skin benefits
- Historically used as antimicrobial preservative
- No accepted use in EU cosmetics
Known concerns
- EU Annex II — prohibited in cosmetics
- H314 severe skin/eye burns, H318 serious eye damage
- Forms nitrosamines and is a formaldehyde-releaser
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related preservatives
Check your shelf
Find 5-Bromo-5-nitro-1,3-dioxane in your products.
Scan any cosmetic product with LuxSense to see if it contains 5-Bromo-5-nitro-1,3-dioxane and get a full ingredient breakdown with safety scores.
This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.