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

ALGINIC ACID

Safety grade: A

Alginic acid is a natural polymer extracted from brown seaweed that forms a gel-like substance. It's commonly used in skincare and cosmetics for its thickening and stabilizing properties.

This ingredient acts as a binder and thickener in cosmetic formulas while also conditioning the skin and controlling the product's texture and consistency.

Graded using: COSING.

Last verified: May 26, 2026