BARIUM SULFIDE is graded C (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-SAFETY-.
BARIUM SULFIDE
Safety grade: C
Barium sulfide is a chemical compound that works by breaking down the protein structure of hair, making it easier to remove from the skin. It's a traditional ingredient that has been used in depilatory products for many decades.
This ingredient is used in hair removal products to dissolve hair at or below the skin's surface, allowing it to be wiped away without shaving or waxing.
Graded using: COSING.
- EU COSING — Restricted
- Health Canada — Restricted
Last verified: May 26, 2026
Safer alternatives to BARIUM SULFIDE
- AMMONIUM THIOLACTATE — Grade A. Reduces disulfide bonds in hair to enable depilation via chemical breakdown.
- MERCAPTOPROPIONIC ACID — Grade A. Thiol-containing reducing agent that dissolves hair protein structure for removal.
- THIOLACTIC ACID — Grade A. Alpha-hydroxy acid with reducing properties that weakens hair structure for removal.
Other Depilatory ingredients
- THIOGLYCERIN — Grade A
- POTASSIUM THIOGLYCOLATE — Grade C**
- COPERNICIA CERIFERA WAX — Grade A
- CALCIUM THIOGLYCOLATE — Grade C**
- THIOGLYCOLIC ACID — Grade D**
- COLOPHONIUM — Grade A