RHUS CORIARIA LEAF/STEM EXTRACT is graded A (Safe) by Expert·ING, based on COSING regulatory data.
RHUS CORIARIA LEAF/STEM EXTRACT
Sumac Extract
Safety grade: A
Sumac extract comes from the leaves and stems of the sumac plant, a shrub known for its tart, lemony flavor. It's rich in natural compounds that help protect skin from damage.
This ingredient works as an antioxidant to neutralize harmful free radicals and protect the skin and product from oxidative damage and 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