CORNUS KOUSA LEAF EXTRACT is graded A (Safe) by Expert·ING, based on COSING regulatory data.

CORNUS KOUSA LEAF EXTRACT

Safety grade: A

Derived from the leaves of the kousa dogwood tree, this natural plant extract is used in skincare products for its potential antioxidant and soothing properties. It may help protect skin from environmental stressors and calm irritation, making it a common choice in serums, moisturizers, and treatment products.

Graded using: COSING.

Last verified: June 9, 2026