OUBAKU is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OUBAKU

Safety grade: A

OUBAKU is a natural extract derived from the Phellodendron amurense tree, a traditional ingredient used in Asian skincare. It has a slightly rough texture that helps gently remove dead skin cells while providing soothing benefits to the skin.

This ingredient works as a gentle physical exfoliant to remove dead skin cells and flaky buildup, while also conditioning and calming the skin with its natural antioxidant properties.

Graded using: COSING.

Last verified: May 26, 2026