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  • beauty

Sr-hagfish POLYPEPTIDE-1

Concern score

Not assessed — no hazard data yet.

Sr-hagfish POLYPEPTIDE-1 in plain language

What it is

Also known as Thread Biopolymer Filament Subunit Alpha

What it does

Used in cosmetics as a humectant, a skin-conditioning agent and a skin protectant.

  • Humectant
  • Skin conditioning
  • Skin protecting
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

Canonical ingredient record built from 1 public-source records.

Regulation

No restrictions found. Sr-hagfish POLYPEPTIDE-1 appears in these published regulatory listings.

  • EUCosIngActivesr-Hagfish Polypeptide-1 is a single chain recombinant protein produced by fermentation in E. coli. The starting gene is synthesized to be identical to the gene which codes for Thread Biopolymer Filament Subunit Alpha derived from hagfish. The protein contains a maximum of 643 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.
    • sr-Hagfish Polypeptide-1 is a single chain recombinant protein produced by fermentation in E. coli. The starting gene is synthesized to be identical to the gene which codes for Thread Biopolymer Filament Subunit Alpha derived from hagfish. The protein contains a maximum of 643 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.Source →

Expert safety opinions

No expert opinion on file for Sr-hagfish POLYPEPTIDE-1. 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 Sr-hagfish POLYPEPTIDE-1 yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

1 data source

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

Allergen profile

Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.

  • FishContains · Oral (ingested)

    Source: chemindex_name_match

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.