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The ingredient, explained

Polyquaternium-4

Polyquaternium-4 is a cellulose-derived copolymer with diallyldimethylammonium chloride units. It is a separately named conditioning-formulation polymer from polyquaternium-10, which has a different chemical preparation.

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Ingredient guide

What it is and what it does

About this ingredient: Original formulation patent: Polyquaternium-4 cellulose-polymer identity ↗

A verified formulation role is not on file for this name.

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

We have not yet published a checked study for this exact ingredient. This is a gap in our coverage, not a finding that research does not exist or that the ingredient is ineffective.

Ingredient research is not proof that a product containing this ingredient works.

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Products containing this ingredient

All 2 products ↗

From the wider catalogue. Linked by the ingredient list, without an efficacy ranking.

Names and identifiers

INCI name on ingredient lists
Polyquaternium-4

Sources for this ingredient record