QUATERNIUM-53
Other
Caution
CAS Number: 68410-69-5
About QUATERNIUM-53
A polyamine-quaternary ammonium hybrid with extensive ethoxyamine structure, derived from tallow and neutralized with methyl sulfate, primarily used as a substantive antistatic agent.
Detailed Analysis
Quaternium-53 is a complex polyamine derivative where a tallow-derived fatty acyl group is attached to a polyalkoxyamine quaternary structure. The name 'Quaternium' covers many structurally different ingredients; this one contains multiple ethoxy (PEG-like) segments and a methyl sulfate counterion. The tallow source raises animal-origin concerns. No specific EU CosIng restriction found, but methyl sulfate counterions are common in ingredients restricted under Annex III. Ethoxy chain manufacturing by-products (ethylene oxide, 1,4-dioxane) contribute to concern.
Skin Benefits
- ✓ High substantivity antistatic conditioning for hair
- ✓ Good compatibility with anionic surfactant systems
- ✓ Film-forming properties from polyamine backbone
Known Concerns
- ⚠ Residual ethylene oxide and 1,4-dioxane from polyethoxy segments
- ⚠ Animal-derived tallow source (vegan/vegetarian labeling concern)
- ⚠ Methyl sulfate counterion may contribute to restriction status
- ⚠ Limited specific safety data available for this particular Quaternium
Safety Score
Caution
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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