Is Dimethyl Dicaproyl Cystinate safe in cosmetics?
Dimethyl Dicaproyl Cystinate has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
MODERATE
Cosmetic Ingredient
Dimethyl Dicaproyl Cystinate
INCI: DIMETHYL DICAPROYL CYSTINATE
Dimethyl Dicaproyl Cystinate (CAS 139416-29-8) is a cosmetic cosmetic ingredient functioning as Hair conditioning (N-acyl cystine derivative). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 139416-29-8 →
Function
Hair conditioning (N-acyl cystine derivative)
Editorial assessment
MODERATE
Preliminary editorial note — not a computed safety verdict.
Chemistry & Identifiers
IUPAC Name
methyl (2R)-3-[[(2R)-3-methoxy-2-(octanoylamino)-3-oxopropyl]disulfanyl]-2-(octanoylamino)propanoate
InChIKey
IABUADDNIJQRPX-PMACEKPBSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted — no CFR prohibition
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Dimethyl Dicaproyl Cystinate.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Softener and conditioner
Editorial summary
Preliminary editorial summary for Dimethyl Dicaproyl Cystinate — not a computed safety verdict. See the sourced toxicological data above.
Chemical Function
Softener and conditioner
Frequently Asked Questions
Is Dimethyl Dicaproyl Cystinate allowed in the EU?
Dimethyl Dicaproyl Cystinate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Dimethyl Dicaproyl Cystinate do in cosmetics?
Dimethyl Dicaproyl Cystinate functions as: Hair conditioning (N-acyl cystine derivative). It is classified as a cosmetic ingredient in our database. CAS number: 139416-29-8.
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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