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

SARGASSUM OLIGOCYSTUM EXTRACT

Safety grade: A

A natural extract from brown seaweed that nourishes and hydrates skin. This ingredient helps improve moisture retention and supports the skin's natural barrier function, making it commonly used in moisturizers and serums for a smoother, more supple appearance.

Graded using: COSING.

Last verified: June 9, 2026