Cyanocobalamin/Yeast Polypeptide

INCI: CYANOCOBALAMIN/YEAST POLYPEPTIDE

CAS Number
Cyanocobalamin: 68‑19‑9; yeast polypeptide fraction is a mixture, no single CAS
Function
Skin conditioning; peptide complex used in anti-ageing and repair signalling
Safety Rating
EXCELLENT

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Cosmetic ingredient with no specific FDA concentration restriction; subject to general safety requirement that product is non-adulterated and adequately preserved

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Skin conditioning ingredient combining vitamin B12 and yeast-derived peptides; proteinaceous nature requires microbiological specifications and allergen control for yeast-sensitive individuals.

⚠️
Concern Level: Low

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Cyanocobalamin/Yeast Polypeptide safe in cosmetics?

Skin conditioning ingredient combining vitamin B12 and yeast-derived peptides; proteinaceous nature requires microbiological specifications and allergen control for yeast-sensitive individuals. The EU classifies Cyanocobalamin/Yeast Polypeptide as "permitted". Safety rating: EXCELLENT.

Is Cyanocobalamin/Yeast Polypeptide allowed in the EU?

Cyanocobalamin/Yeast Polypeptide EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Cyanocobalamin/Yeast Polypeptide do in cosmetics?

Cyanocobalamin/Yeast Polypeptide functions as: Skin conditioning; peptide complex used in anti-ageing and repair signalling. It is classified as a cosmetic ingredient in our database. CAS number: Cyanocobalamin: 68‑19‑9; yeast polypeptide fraction is a mixture, no single CAS.

What is the Margin of Safety for Cyanocobalamin/Yeast Polypeptide?

adequate 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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