Is Tyrosine Ester safe in cosmetics?
Tyrosine Ester has a safety rating of "GOOD" in our database. EU status: permitted. US status: restricted.
Good
Cosmetic Ingredient
Tyrosine Ester
INCI: Not a valid standalone INCI name. Specific INCI depends on the ester (e.g., ACETYL TYROSINE, ETHYL TYROSINE)
Tyrosine Ester (CAS Not a single ingredient — depends on the specific ester (e.g., Ethyl Tyrosine HCl: 4985-43-7; Acetyl Tyrosine: 537-55-3)) is a cosmetic cosmetic ingredient functioning as Varies by ester: skin conditioning, hair conditioning, or tanning accelerant. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Not a single ingredient — depends on the specific ester (e.g., Ethyl Tyrosine HCl: 4985-43-7; Acetyl Tyrosine: 537-55-3)
View industrial chemical safety profile →
Function
Varies by ester: skin conditioning, hair conditioning, or tanning accelerant via promotion of melanogenesis
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
restricted
US Notes
Not specifically restricted; CIR has reviewed amino acids broadly
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Tyrosine Ester.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Tyrosine Ester.
Frequently Asked Questions
Is Tyrosine Ester allowed in the EU?
Tyrosine Ester EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Tyrosine Ester do in cosmetics?
Tyrosine Ester functions as: Varies by ester: skin conditioning, hair conditioning, or tanning accelerant via promotion of melanogenesis. It is classified as a cosmetic ingredient in our database. CAS number: Not a single ingredient — depends on the specific ester (e.g., Ethyl Tyrosine HCl: 4985-43-7; Acetyl Tyrosine: 537-55-3).
Compliance Tools
Check Tyrosine Ester compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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