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

SODIUM MANNURONATE METHYLSILANOL

Safety grade: A

This is a hybrid ingredient created by combining a natural seaweed extract (sodium mannuronate) with a silicone compound. It works to help skin retain moisture and feel smoother.

It hydrates the skin by attracting and holding water while also providing conditioning benefits to improve skin texture and softness.

Graded using: COSING.

Last verified: May 26, 2026