Magnesium Thioglycolate
AKA: 63592-16-5
Synthetic
Not Clean
Bis(mercaptoacetato-O,S)magnesium
Formula
C4H6MgO4S2
Mol. Weight
206.50
CAS #
63592-16-5
Form
Powder
Functions
Depilatory
Hair Waving Or Straightening
Reducing
Anti-Inflammatory
Fights Acne
Antioxidant
Changes hair texture
Removes unwanted hair
Chemical reduction
Traditional Use
A modern chemical compound developed in the 20th century. Created as the active ingredient in alkaline hair permanent waves and hair removal products to break down hair's disulfide bonds.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
1%
0%1%
Reg. Limit
EU regulatory limit: 1%. Source: EU Cosmetics Regulation (EC) 1223/2009, Annex III (Restricted Substances), Entry 24.
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR