STRONTIUM PEROXIDE is graded C (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-SAFETY-.
STRONTIUM PEROXIDE
Safety grade: C
Strontium peroxide is a chemical compound that acts as a powerful bleaching and oxidizing agent. It works by releasing oxygen when mixed with water, which breaks down colored molecules and removes stains.
This ingredient is used in cosmetic products to lighten, bleach, or brighten by breaking down pigments and discoloration through oxidation.
Graded using: COSING.
- EU COSING — Restricted
Last verified: May 26, 2026
Safer alternatives to STRONTIUM PEROXIDE
- AMMONIUM PERSULFATE — Grade A**. Persulfate oxidizer; chemically similar bleaching and oxidizing mechanism.
- POTASSIUM CAROATE — Grade A. Potassium peroxide compound; provides oxidative bleaching through peroxide chemistry.
- PHTHALIMIDOPEROXYCAPROIC ACID — Grade A. Peroxycarboxylic acid; oxidative bleaching agent with similar peroxide-based mechanism.
Other Bleaching ingredients
- GLYCYRRHIZA GLABRA ROOT EXTRACT — Grade A
- ISOBUTYLAMIDO THIAZOLYL RESORCINOL — Grade A
- PANCRATIUM MARITIMUM EXTRACT — Grade A
- MORUS ALBA ROOT EXTRACT — Grade A
- TERMINALIA FERDINANDIANA FRUIT EXTRACT — Grade A
- ALPHA-ARBUTIN — Grade C
- ARBUTIN — Grade C