Regulatory Status
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Safety Data
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Expert Verdict
Environmental toxicity and poor biodegradability noted; not allowed in certified organic cosmetics [^1_10]. Oral LD50 in rats: 6.35–10 g/kg (low acute toxicity) [^1_2].
Frequently Asked Questions
Is Quaternium-18 safe in cosmetics?
Environmental toxicity and poor biodegradability noted; not allowed in certified organic cosmetics [^1_10]. Oral LD50 in rats: 6.35–10 g/kg (low acute toxicity) [^1_2]. The EU classifies Quaternium-18 as "permitted". Safety rating: GOOD.
Is Quaternium-18 allowed in the EU?
Quaternium-18 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Quaternium-18 do in cosmetics?
Quaternium-18 functions as: Antistatic agent; also used as emulsifier and hair conditioning agent [^1_10][^1_2]. It is classified as a cosmetic ingredient in our database. CAS number: 61789-80-8 [^1_10].
What is the Margin of Safety for Quaternium-18?
adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
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Related Ingredients
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