OSAJIN is graded A (Safe) by Expert·ING, based on COSING regulatory data.
OSAJIN
Safety grade: A
Osajin is a natural compound found in the wood of the Osage orange tree. It's a flavonoid that helps protect products and skin from damage caused by free radicals and oxidation.
This ingredient works as an antioxidant to prevent product degradation and help protect skin from environmental damage and premature aging.
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