Is Amidinocysteinyl Hydrolyzed Keratin safe in cosmetics?
Amidinocysteinyl Hydrolyzed Keratin has a safety rating of "GOOD" in our database. EU status: prohibited. US status: permitted.
Good
Cosmetic Ingredient
Amidinocysteinyl Hydrolyzed Keratin
INCI: AMIDINOCYSTEINYL HYDROLYZED KERATIN
Amidinocysteinyl Hydrolyzed Keratin (CAS Not assigned (polymer/protein conjugate)) is a cosmetic cosmetic ingredient functioning as Hair conditioning, astringent, film forming, hair waving/straightening. EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS Not assigned (polymer/protein conjugate) →
Auto-generated CPSR Part A draft with source citations
Function
Hair conditioning, astringent, film forming, hair waving/straightening
Safety Rating
GOOD
Regulatory Status
EU EU Status
prohibited
US US Status
permitted
US Notes
Not restricted by FDA; hydrolyzed keratins reviewed by CIR as a class (safe as used)
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Amidinocysteinyl Hydrolyzed Keratin.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Amidinocysteinyl Hydrolyzed Keratin.
Frequently Asked Questions
Is Amidinocysteinyl Hydrolyzed Keratin allowed in the EU?
Amidinocysteinyl Hydrolyzed Keratin EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Amidinocysteinyl Hydrolyzed Keratin do in cosmetics?
Amidinocysteinyl Hydrolyzed Keratin functions as: Hair conditioning, astringent, film forming, hair waving/straightening. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (polymer/protein conjugate).
Compliance Tools
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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