What function does SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178) serve in cosmetics?

According to the EU CosIng inventory, SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178) carries the following function designation(s): SURFACTANT - EMULSIFYING, FILM FORMING, SKIN PROTECTING, VISCOSITY CONTROLLING, SLIP MODIFIER.

How do I check if my formula contains SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178)?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef cosing-live-1050012024-08-08

SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178)

SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178) is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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What the official INCI name states

The official label identifies a peptide- or protein-related cosmetic material.

Identity type from wording: peptide_or_protein

This structure is derived only from the official label wording. It does not establish composition, concentration, chemical equivalence, safety or regulatory permission.

Official European Commission record

CosIng substance ID: 105001
Published in the Official Journal: Yes
Recorded by the Commission: 2024-08-08

Open this entry in the official CosIng database

Fields as published by the European Commission. The link opens the entry itself, not a search for it.

Inventory details for SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178)

INCI name

SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178)

Description

sr-(Polypeptide-166 Oligopeptide-178) is a single chain recombinant peptide, produced by fermentation in Pichia pastoris. The starting gene is synthesized by the fusion of the gene from Polypeptide-166 and Oligopeptide-178. The fusion peptide contains 971 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.

Record provenance

Inventory reference: cosing-live-105001
Imported identity: SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178)
Source update: 2024-08-08

European Commission CosIng source notes

Annex records for SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178)

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Key data

CAS

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The CosIng inventory records no CAS number for this ingredient. That is the absence of an identifier in the source, not a finding about the substance.

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Restriction

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Function

SURFACTANT - EMULSIFYING: Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.
FILM FORMING: Producing (upon application) a continuous film on the skin, hair or nails.
SKIN PROTECTING: Helping to avoid harmful effects to the skin from external factors.
VISCOSITY CONTROLLING: Increasing or decreasing the viscosity (thickness) of cosmetics.
SLIP MODIFIER: Enhancing the flow properties of other ingredients without reacting chemically with them.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#27584 · sr-(POLYPEPTIDE-166 OLIGOPEPTIDE-178)

Ingredients with overlapping formulation functions

POLYURETHANE-108FILM FORMING; VISCOSITY CONTROLLING; SLIP MODIFIER

SH-DSRNA-3 HYDROXYPROPYL PEG-3 PROPYL CHOLESTERYLCARBAMATEHAIR CONDITIONING; HUMECTANT; SKIN PROTECTING; SLIP MODIFIER; SKIN CONDITIONING - MISCELLANEOUS

SH-OLIGOPEPTIDE-83 SPSKIN PROTECTING; SLIP MODIFIER

SR-(POLYPEPTIDE-165 OLIGOPEPTIDE-178)SURFACTANT - EMULSIFYING; FILM FORMING; SKIN PROTECTING; VISCOSITY CONTROLLING; SLIP MODIFIER

SR-(POLYPEPTIDE-167 OLIGOPEPTIDE-178)SURFACTANT - EMULSIFYING; FILM FORMING; SKIN PROTECTING; VISCOSITY CONTROLLING; SLIP MODIFIER

SR-(POLYPEPTIDE-168 OLIGOPEPTIDE-178)SURFACTANT - EMULSIFYING; FILM FORMING; SKIN PROTECTING; VISCOSITY CONTROLLING; SLIP MODIFIER

SR-(POLYPEPTIDE-169 OLIGOPEPTIDE-178)SURFACTANT - EMULSIFYING; FILM FORMING; SKIN PROTECTING; VISCOSITY CONTROLLING; SLIP MODIFIER

SR-(SILKWORM POLYPEPTIDE-1 SERINYL LITHOPHYLLON CONCINNA POLYPEPTIDE-1 DIPEPTID…COLORANT; SLIP MODIFIER

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178) appears in the CosIng inventory

The CosIng inventory lists SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178) as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178) is also tagged with 5 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178) is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178) carries the following function designation(s):

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

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Source note for SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178)

This page reproduces the CosIng inventory entry for SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178) from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research SR-(POLYPEPTIDE-166 OLIGOPEPTIDE-178) and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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