Is Magnesium Thioglycolate safe in cosmetics?
Magnesium Thioglycolate has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.
Moderate
Cosmetic Ingredient
Magnesium Thioglycolate
Also known as: Magnesium, bis[2-(mercapto-κS)acetato-κO]-, (T-4)-, Magnesium, bis(mercaptoacetato-O,S)-, (T-4)-, Magnesium, bis[(mercapto-κS)acetato-κO]-, (T-4)-, (T-4)-Bis[2-(mercapto-κS)acetato-κO]magnesium, Acetic acid, mercapto-, magnesium complex (+3 more)
INCI: MAGNESIUM THIOGLYCOLATE (SYNONYM: MAGNESIUM MERCAPTOACETATE)
Magnesium Thioglycolate (CAS 63592-16-5) is a cosmetic cosmetic ingredient functioning as Depilatory, hair waving or straightening, reducing agent. EU Regulation 1223/2009 status: restricted, max 5%. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 63592-16-5 →
Auto-generated CPSR Part A draft with source citations
Function
Depilatory, hair waving or straightening, reducing agent
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
magnesium bis(2-sulfanylacetate)
InChIKey
ZHALCRSGRSWRHV-UHFFFAOYSA-L
Regulatory Status
EU EU Status
restricted
EU Max Conc.
5%
US US Status
permitted
US Notes
Allowed - permitted in hair-waving, straightening, and depilatory products; CIR assessed
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Magnesium Thioglycolate.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Depilatory
Hair waving or straightening
Reducing agent
Expert Verdict
Expert safety assessment and concern-level summary for Magnesium Thioglycolate.
Regulatory Flags
potential-allergen
Known Synonyms
Magnesium, bis[2-(mercapto-κS)acetato-κO]-, (T-4)-
Magnesium, bis(mercaptoacetato-O,S)-, (T-4)-
Magnesium, bis[(mercapto-κS)acetato-κO]-, (T-4)-
(T-4)-Bis[2-(mercapto-κS)acetato-κO]magnesium
Acetic acid, mercapto-, magnesium complex
bis(mercaptoacetato-O,S)magnesium
EINECS 264-358-1
UNII-8E96N0WA3X
Chemical Function
Reducing agent
Depilatory
Hair waving or straightening
Frequently Asked Questions
Is Magnesium Thioglycolate allowed in the EU?
Magnesium Thioglycolate EU regulatory status: restricted. Maximum allowed concentration: 5%. This is based on EU Regulation 1223/2009 and its amendments.
What does Magnesium Thioglycolate do in cosmetics?
Magnesium Thioglycolate functions as: Depilatory, hair waving or straightening, reducing agent. It is classified as a cosmetic ingredient in our database. CAS number: 63592-16-5.
Compliance Tools
Check Magnesium Thioglycolate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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