Methionyl sh-Polypeptide-1

INCI: METHIONYL SH-POLYPEPTIDE-1

CAS Number
Not assigned (recombinant bFGF variant; reference CAS 106096-93-9 for rh-bFGF)
Function
Skin conditioning — recombinant basic Fibroblast Growth Factor (bFGF); stimulates fibroblast proliferation, collagen/elastin synthesis
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — not listed in 21 CFR 700.11–700.35 prohibited/restricted lists; no monograph

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
high

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Growth factor with theoretical proliferative risk at supra-physiological doses; potential E. coli host-cell protein and endotoxin residuals if inadequately purified; no CIR or SCCS evaluation available.

⚠️
Concern Level: High

Frequently Asked Questions

Is Methionyl sh-Polypeptide-1 safe in cosmetics?

Growth factor with theoretical proliferative risk at supra-physiological doses; potential E. coli host-cell protein and endotoxin residuals if inadequately purified; no CIR or SCCS evaluation available. The EU classifies Methionyl sh-Polypeptide-1 as "permitted". Safety rating: MODERATE.

Is Methionyl sh-Polypeptide-1 allowed in the EU?

Methionyl sh-Polypeptide-1 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Methionyl sh-Polypeptide-1 do in cosmetics?

Methionyl sh-Polypeptide-1 functions as: Skin conditioning — recombinant basic Fibroblast Growth Factor (bFGF); stimulates fibroblast proliferation, collagen/elastin synthesis. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (recombinant bFGF variant; reference CAS 106096-93-9 for rh-bFGF).

What is the Margin of Safety for Methionyl sh-Polypeptide-1?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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