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

SODIUM ALGINATE SULFATE

Safety grade: A

This ingredient is a modified form of alginate, a substance derived from brown seaweed. It works like a sponge to help skin retain moisture and stay hydrated.

It acts as a humectant by drawing water into the skin and helping the product retain moisture, keeping skin feeling soft and hydrated.

Graded using: COSING.

Last verified: May 26, 2026