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

MARTENSIA JEJUENSIS EXTRACT

Safety grade: A

This extract comes from a type of seaweed found off the coast of Jeju Island in Korea. It's used in skincare products to help moisturize and soothe the skin while providing antioxidant benefits. It works to support the skin's natural barrier and may help reduce irritation.

Graded using: COSING.

Last verified: June 9, 2026