# QUATERNIUM-15 CIS-FORM

URL: https://app.greenveil.ai/ingredients/ingredient_cas_51229_78_8
Categories: beauty, cleaning, industrial, pharma
Functions: Preservative
Identifier: 51229-78-8

> QUATERNIUM-15 CIS-FORM is used as preservative. Greenveil chemical-concern score: 100/100 — Critical concern based on regulatory listings.. Assessed from 8 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern based on regulatory listings.
- Confidence: 4
- Rationale: Cis-1-(3-chloroallyl)-3,5,7- triaza-1-azoniaadamantane chloride (cis-CTAC) is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

## Regulatory status

- EU: banned — Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.
- US: commercial use observed — EPA CPDat observed this chemical in 83 composition records across product categories including Personal care, Cleaning and safety, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Preservative.
- US: inactive ingredient database — Route: TOPICAL; Dosage form: CREAM; Potency: 0.1 %w/w
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._