Ingredient

Calcium Thioglycolate

⚠ EU Restricted

Identification

CAS Number 814-71-1
EINECS / EC 212-402-5
CosIng Ref 32352
Chemical Name Calciumbis(mercaptoacetate),
Formula C4H6CaO4S2
Mol. Weight 222.3 g/mol

Function & Classification

Primary Function Depilatory
Secondary Functions KERATOLYTIC; REDUCING
Origin Synthetic

EU Regulatory Status

🇪🇺
⚠ Restricted — EU Reg. 1223/2009 Annex III / Entry 2
Max Leave-on 8%
Max Rinse-off 11%
Restrictions Max 8% (general use, pH 7–9.5); Max 11% (professional use, pH 7–9.5); Max 5% (rinse-off hair, general).
Conditions of Use Hair waving/straightening: max 8% total thioglycolate (pH 7-9.5). Depilatory: max 5%.
Mandatory Warning Can cause allergic reactions. Contains thioglycolate.

Safety Profile

2 / 10

No toxicology data available yet for this ingredient.

Check SCCS opinions or CIR reports for published safety assessments.

NOAEL · Dermal Absorption % · Sensitization

Formulation Guidelines

Usage level, pH range, solubility and addition phase not yet available.

Usage Level % · Addition Phase · Solubility

Suppliers & Documents

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Documents

External Resources