Regulatory Status
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Safety Data
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Expert Verdict
Insufficient published toxicological data for a full CPSR evaluation; read-across from cystine/cysteine esters may be acceptable but must be justified
Frequently Asked Questions
Is Dimethyl Cystinate safe in cosmetics?
Insufficient published toxicological data for a full CPSR evaluation; read-across from cystine/cysteine esters may be acceptable but must be justified The EU classifies Dimethyl Cystinate as "permitted". Safety rating: MODERATE.
Is Dimethyl Cystinate allowed in the EU?
Dimethyl Cystinate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Dimethyl Cystinate do in cosmetics?
Dimethyl Cystinate functions as: Hair conditioning (cystine derivative). It is classified as a cosmetic ingredient in our database. CAS number: 14545-08-5 (L-Cystine dimethyl ester) — *verify against your COSING listing*.
What is the Margin of Safety for Dimethyl Cystinate?
not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
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Related Ingredients
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