Ethyl Thioglycolate

INCI: ETHYL THIOGLYCOLATE

CAS Number
| Ethyl Thioglycolate
Function
Depilatory; hair waving/straightening; reducing agent
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
EU Max Conc. 8%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted with labeling โ€” safe for use in hair straighteners, permanent waves, depilatories per CIR

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Ethyl thioglycolate is a reducing agent used in depilatory and hair straightening products with concentration limits in the EU and permitted use with labeling requirements in the US.

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Concern Level: Moderate

Frequently Asked Questions

Is Ethyl Thioglycolate safe in cosmetics?

Ethyl thioglycolate is a reducing agent used in depilatory and hair straightening products with concentration limits in the EU and permitted use with labeling requirements in the US. The EU classifies Ethyl Thioglycolate as "restricted". Safety rating: MODERATE.

Is Ethyl Thioglycolate allowed in the EU?

Ethyl Thioglycolate EU regulatory status: restricted. Maximum allowed concentration: 8%. This is based on EU Regulation 1223/2009 and its amendments.

What does Ethyl Thioglycolate do in cosmetics?

Ethyl Thioglycolate functions as: Depilatory; hair waving/straightening; reducing agent. It is classified as a cosmetic ingredient in our database. CAS number: | Ethyl Thioglycolate.

What is the Margin of Safety for Ethyl Thioglycolate?

adequate 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.

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