POLYQUATERNIUM-90
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.
Regulatory evidence by market
No rule for this ingredient has been imported for any of the 13 markets tracked here.
That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.
Exact external identity check
not_foundNo complete-name PubChem match was verified. The material may be a mixture, trade-style INCI identity or be indexed under another identifier; this result must not be read as proof that no related chemistry exists.
Exact CosIng INCI name equals a PubChem synonym · Checked 2026-08-31
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
Record provenance
- Inventory reference
- 85407
- Imported identity
- POLYQUATERNIUM-90
- Source update
- 15/10/2010
Annex records for POLYQUATERNIUM-90
Key data
The CosIng inventory records no CAS number for this ingredient. That is the absence of an identifier in the source, not a finding about the substance.
- ANTISTATIC
- Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
- FILM FORMING
- Producing (upon application) a continuous film on the skin, hair or nails.
- HAIR CONDITIONING
- Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
- HAIR FIXING
- Permitting physical control of hair style.
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
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
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.
Tools & next steps
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