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GREENVEIL

  • beauty

Sr-methionyl cow ALPHA-S1-CASEIN

Concern score

Not assessed — no hazard data yet.

Sr-methionyl cow ALPHA-S1-CASEIN in plain language

What it does

Used in cosmetics as an emollient, an occlusive and an emulsifier.

  • Emollient
  • Occlusive
  • Emulsifying
  • Hair conditioning
  • Foam boosting
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-methionyl cow ALPHA-S1-CASEIN appears in these published regulatory listings.

  • EUCosIngActivesr-Methionyl Cow Alpha-S1-Casein is a single chain protein produced by fermentation in E. coli. The starting gene is synthetically produced to be identical to Alpha-S1-Casein which is found in the Bos taurus (cow) with the initiation code for methionine. The protein contains 214 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.
    • sr-Methionyl Cow Alpha-S1-Casein is a single chain protein produced by fermentation in E. coli. The starting gene is synthetically produced to be identical to Alpha-S1-Casein which is found in the Bos taurus (cow) with the initiation code for methionine. The protein contains 214 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-methionyl cow ALPHA-S1-CASEIN. 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-methionyl cow ALPHA-S1-CASEIN 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.

  • DairyContains · 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.