HeiQ Viroblock (NPJ03) was specially developed for use in face masks to increase the protection of the masks. All of its ingredients have been carefully selected from the list of the International Nomenclature for Cosmetic Ingredients (INCI). Its cosmetic grade silver chloride in microparticle size combined with bio-based liposome vesicle technology effectively inhibits microbes on the masks. In accordance with the EU Biocide Regulation, the active ingredient is fully registered for use as an additive to human disinfectants, hygiene products, medical products and textiles.