murphyMagnesium Thioglycolate
AKA: 63592-16-5
Synthetic
Not Clean
OriginSynthesized from thioglycolic acid and magnesium salts or magnesium compounds through acid-base reaction. Produced by combining magnesium hydroxide or magnesium oxide with thioglycolic acid to form the salt complex.
Bis(mercaptoacetato-O,S)magnesium
Formula
C4H6MgO4S2
Mol. Weight
206.50
CAS #
63592-16-5
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Depilatory
Hair Waving Or Straightening
Reducing
Anti-Inflammatory
Fights Acne
Antioxidant
Changes hair texture
Removes unwanted hair
Chemical reduction
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Skin Irritant in Testing (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 347)
Eye Irritant in Testing (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 347)
Sensitizer in Testing (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 347)
Concentration Guide
0%50%100%
Reg. limit 1%
CIR lists it as not reported to be in use.
CIR · report published 2009
EU regulatory limit: 1%. Source: EU Cosmetics Regulation (EC) 1223/2009, Annex III (Restricted Substances), Entry 24.
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR