INCI: POLYQUATERNIUM-55
Polyquaternium-55 (CAS 306769-73-3) is a cosmetic cosmetic ingredient functioning as Hair Fixing, Film Forming, Foam Stabilizer, Conditioning. EU Regulation 1223/2009 status: permitted.
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Margin of Safety, dermal absorption, and sensitization profile summaries for Polyquaternium-55 - available to Pro subscribers.
Calculate MoS for your specific formulation with the MoS Calculator.
3 property records from structured ingredient metadata.
Expert safety assessment and concern-level summary for Polyquaternium-55 - available to Pro subscribers.
Data-poor ingredient permitted by default; class-level read-across from other polyquaterniums (high molecular weight, ionic, non-absorbing) provides reasonable justification, though no specific margin of safety has been established. The EU classifies Polyquaternium-55 as "permitted". Safety rating: MODERATE.
Polyquaternium-55 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
Polyquaternium-55 functions as: Hair Fixing, Film Forming, Foam Stabilizer, Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 306769-73-3.
not established 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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