Methylsilanol mannuronate

Methylsilanol mannuronate is an organic compound derived from seaweed. It is used in cosmetics and personal care products as a skin-conditioning agent 1. Botanical and botanically derived ingredients used in the formulation of cosmetics are generally mild and safe.

This ingredient can be found in the following products in United States:


  1. International Cosmetic Ingredient Dictionary and Handbook. Washington, D.C.: The Cosmetic, Toiletry and Fragrance Association, 2006.