Is Tetrapeptide-66 safe in cosmetics?
Tetrapeptide-66 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Tetrapeptide-66
INCI: TETRAPEPTIDE-66
Tetrapeptide-66 (CAS Not publicly assigned / not available) is a cosmetic cosmetic ingredient functioning as Function "not yet specified" per COSMILE Europe; likely anti-aging/skin. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS Not publicly assigned / not available →
Auto-generated CPSR Part A draft with source citations
Function
Function "not yet specified" per COSMILE Europe; likely anti-aging/skin conditioning based on peptide class
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No specific FDA monograph; general cosmetic ingredient status
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Tetrapeptide-66.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Tetrapeptide-66.
Frequently Asked Questions
Is Tetrapeptide-66 allowed in the EU?
Tetrapeptide-66 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Tetrapeptide-66 do in cosmetics?
Tetrapeptide-66 functions as: Function "not yet specified" per COSMILE Europe; likely anti-aging/skin conditioning based on peptide class. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned / not available.
Compliance Tools
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Ingredient Decoder
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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Perfuming
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