ETHANOLAMINE DITHIODIGLYCOLATE is graded C (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-SAFETY-.
ETHANOLAMINE DITHIODIGLYCOLATE
Safety grade: C
This is a chemical compound that acts as a reducing agent, helping to break down and soften hair structure. It's commonly used in hair straightening and permanent wave treatments to chemically alter hair texture.
This reducing agent works by breaking disulfide bonds in hair, allowing the hair structure to be reshaped and set into a new form during chemical hair treatments like relaxers and perms.
Graded using: COSING.
- EU COSING — Restricted
Last verified: May 26, 2026
Safer alternatives to ETHANOLAMINE DITHIODIGLYCOLATE
- AMMONIUM THIOLACTATE — Grade A. Thiol-based reducing agent that breaks disulfide bonds in hair straightening treatments.
- THIOLACTIC ACID — Grade A. Alpha-hydroxy thiol reducing agent for hair waving and straightening applications.
- CYSTEAMINE HCL — Grade A. Thiol reducing agent that cleaves disulfide bonds in hair permanent wave formulations.
- CYSTEINE — Grade A. Natural amino acid thiol reducing agent for hair straightening and waving treatments.
- CYSTEINE HCL — Grade A. Cysteine salt form providing thiol-based reduction in hair permanent wave systems.
Other Reducing ingredients
- SODIUM METABISULFITE — Grade B
- THIOGLYCERIN — Grade A
- STANNOUS CHLORIDE — Grade A**
- DIHYDROXYACETONE — Grade A
- SODIUM THIOSULFATE — Grade A
- GLUTATHIONE — Grade A
- SODIUM BISULFITE — Grade B**