Is Ethyl Cysteinate HCl safe in cosmetics?
Ethyl Cysteinate HCl has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Ethyl Cysteinate HCl
INCI: ETHYL CYSTEINATE HCL
Ethyl Cysteinate HCl (CAS 868-59-7 [^1_5]) is a cosmetic cosmetic ingredient functioning as Antioxidant / Reducing agent / Hair conditioning. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 868-59-7 [^1_5] →
Auto-generated CPSR Part A draft with source citations
Function
Antioxidant / Reducing agent / Hair conditioning
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted — not classified as hazardous by OSHA; no specific CFR prohibition for cosmetic use
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Ethyl Cysteinate HCl.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Ethyl Cysteinate HCl.
Frequently Asked Questions
Is Ethyl Cysteinate HCl allowed in the EU?
Ethyl Cysteinate HCl EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Ethyl Cysteinate HCl do in cosmetics?
Ethyl Cysteinate HCl functions as: Antioxidant / Reducing agent / Hair conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 868-59-7 [^1_5].
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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