5-BROMO-5-NITRO-1,3-DIOXANE

📋 Quick facts

Description: 5-BROMO-5-NITRO-1,3-DIOXANE — PRESERVATIVE.

All Functions: PRESERVATIVE

Quick Facts:

• Category: preservative

Proven Benefits At A Glance:

• 5-Bromo-5-nitro-1,3-dioxane (bronidox) is a bromine-containing preservative used in rinse-off cosmetics like shampoos and body cleansers
• It is subject to restrictions under European cosmetic regulations
• The European maximum authorized concentration is 0.1%
• It is detected using specialized analytical chemistry methods

⚗️ Chemical Overview

The evidence at hand indicates 5-Bromo-5-Nitro-1,3-Dioxane to be safe as a cosmetic ingredient at concentrations up to and including 0.1 percent except under circumstances where its action with amines or amides can result in the formation of nitrosamines or nitrosamides. Bronidox is an organobromide that is a nitrobromo derivative of dioxane. It is used as a stabilizer, surfacant, bactericide, and a preservative in immunology and cosmetics. It is corrosive to metals. Bronidox has been used in cosmetics since the mid-1970s as preservative for shampoos and foam baths. structure in first source

Source(s): Toxin and Toxin Target Database (T3DB), Medical Subject Headings (MeSH), Cosmetic Ingredient Review (CIR), via PubChem

📊 Comedogenicity

🛡️ Safety rating

Safety tier is a starting heuristic from regulatory status and comedogenic rating, not a dermatological verdict — see our Terms for the full disclaimer. Research confidence reflects how many real cited studies back this ingredient, not the strength of their findings.

🌍 Regulatory Status