Good Cosmetic Ingredient SCCS/CIR Reviewed

Polyquaternium-18

INCI: POLYQUATERNIUM-18

CAS Number
31694-55-0
Function
Antistatic, Film Forming
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not individually reviewed by CIR

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Safety Opinions

Official safety assessments from the Scientific Committee on Consumer Safety (SCCS) and Cosmetic Ingredient Review (CIR).

cir
Verdict: safe

data relating to the safety of these ingredients. The Panel concluded that these ingredients are safe in cosmetics in the present practices of use and concentration as described in this safety assessment when formulated to be non-irritating. Keywords Cosmetic Ingredient Review, Expert Panel for Cosme

Expert Verdict

Contains dichloroethylether monomer unit with residual levels of bis(2-chloroethyl) ether (potential carcinogen) that must be controlled; residual monomer specifications required per GMP.

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Concern Level: Moderate

Regulatory Flags

eu_children_restricted epa_safer_alternative ifra_fragrance

Frequently Asked Questions

Is Polyquaternium-18 safe in cosmetics?

Contains dichloroethylether monomer unit with residual levels of bis(2-chloroethyl) ether (potential carcinogen) that must be controlled; residual monomer specifications required per GMP. The EU classifies Polyquaternium-18 as "permitted". Safety rating: GOOD. This ingredient has been reviewed by cir.

Is Polyquaternium-18 allowed in the EU?

Polyquaternium-18 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Polyquaternium-18 do in cosmetics?

Polyquaternium-18 functions as: Antistatic, Film Forming. It is classified as a cosmetic ingredient in our database. CAS number: 31694-55-0.

What is the Margin of Safety for Polyquaternium-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.

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