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

CYSTOSEIRA CAESPITOSA EXTRACT

Cystoseira Seaweed Extract

Safety grade: A

This is an extract from a brown seaweed called Cystoseira caespitosa that grows in ocean waters. It contains natural compounds from the seaweed that are believed to help protect and nourish the skin.

This ingredient is used in skincare products to help protect the skin from environmental stressors and damage while providing antioxidant and nourishing benefits.

Graded using: COSING.

Last verified: May 26, 2026