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PPG-2 hydroxypropyltrimonium cellulose

CAS 1658479-01-6

Concern score

Not assessed — no hazard data yet.

PPG-2 hydroxypropyltrimonium cellulose in plain language

What it is

Also known as Sofcare C-HP 2W

What it does

Used in cosmetics as an emollient, a skin-conditioning agent and a hair conditioner.

  • Emollient
  • Skin conditioning
  • Hair conditioning
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

EPA DSSTox provides the canonical identifier, structure, and synonym profile for this chemical.

Regulation

No restrictions found. PPG-2 hydroxypropyltrimonium cellulose appears in these published regulatory listings.

  • EUCosIngActivePPG-2 Hydroxypropyltrimonium Cellulose is the quaternary ammonium salt prepared by the reaction of Hydroxypropylcellulose, propylene oxide and glycidyltrimethylammonium chloride in which the average propoxylation value is 2.
    • PPG-2 Hydroxypropyltrimonium Cellulose is the quaternary ammonium salt prepared by the reaction of Hydroxypropylcellulose, propylene oxide and glycidyltrimethylammonium chloride in which the average propoxylation value is 2.Source →

Expert safety opinions

No expert opinion on file for PPG-2 hydroxypropyltrimonium cellulose. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for PPG-2 hydroxypropyltrimonium cellulose yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

2 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.