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Poloxamer 401

CAS 691397-13-4

Concern score

Not assessed — no hazard data yet.

Poloxamer 401 in plain language

What it is

Also known as Ethox L-121 · Pluronic L-121

What it does

We don't have a plain-language description for Poloxamer 401 yet.

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

What we know about this ingredient

FDA GSRS classifies this ingredient as ingredient substance polymer.

Regulation

No restrictions found. Poloxamer 401 appears in these published regulatory listings.

  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as polymer.
    • openFDA substance registry classifies this ingredient as polymer.Source →

Evidence & sources

No graded research studies for Poloxamer 401 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

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
Reference links (1)

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.

Catalog

Found in these products

Their ingredient lists include Poloxamer 401; each product's own rating depends on its whole formula, so it is shown on the product page, not here.