InventoryRef 8540715/10/2010

POLYQUATERNIUM-90

Q: How do I check if my formula contains POLYQUATERNIUM-90?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

Polyquaternium-90 is a the polymeric quaternary ammonium salt of acrylamide and hydroxyethylcellulose quaternized with diallyldimethyl ammonium chloride

POLYQUATERNIUM-90 is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Inventory details for POLYQUATERNIUM-90

INCI name

POLYQUATERNIUM-90

Description

Polyquaternium-90 is a the polymeric quaternary ammonium salt of acrylamide and hydroxyethylcellulose quaternized with diallyldimethyl ammonium chloride

Annex records for POLYQUATERNIUM-90

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Key data

CAS

—

Restriction

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Function

ANTISTATIC FILM FORMING HAIR CONDITIONING HAIR FIXING

How POLYQUATERNIUM-90 appears in the CosIng inventory

The CosIng inventory lists POLYQUATERNIUM-90 as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

POLYQUATERNIUM-90 is also tagged with 4 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

POLYQUATERNIUM-90 is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, POLYQUATERNIUM-90 carries the following function designation(s):

Use the INCI Checker tool to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

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Source note for POLYQUATERNIUM-90

This page reproduces the CosIng inventory entry for POLYQUATERNIUM-90 from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research POLYQUATERNIUM-90 and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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Tools & next steps

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