MANGANESE DIOXIDE is graded A** (Safe) by Expert·ING, based on COSING regulatory data.
MANGANESE DIOXIDE
Safety grade: A**
Manganese dioxide is a naturally occurring mineral compound that acts as a protective agent in skincare products. It helps prevent products from breaking down and losing their effectiveness over time.
This ingredient works as an antioxidant to protect cosmetic formulations from oxidation and degradation, helping preserve the product's stability and extending its shelf life.
Graded using: COSING.
Last verified: May 26, 2026
Other Antioxidant ingredients
- TOCOPHEROL — Grade A
- TOCOPHERYL ACETATE — Grade A
- BHT — Grade C**
- ASCORBYL PALMITATE — Grade A
- HYDROXYACETOPHENONE — Grade A
- PENTAERYTHRITYL TETRA-DI-T-BUTYL HYDROXYHYDROCINNAMATE — Grade A
- ASCORBIC ACID — Grade A
- CAMELLIA SINENSIS LEAF EXTRACT — Grade A