INVISIMASK by Dr Bunlue offers extended protection from contamination for your facial mask and your hands. With Benzalkonium Chloride (BKC) and Polyaminopropyl Biguanide, INVISIMASK by Dr Bunlue kill germs within a minute upon contact. Our proprietary Prolonged Fiber-Fix Technology creates a protective layer and bonds with the fabric of the facial mask, offering up to 72 hours of protection from bacteria, fungus and viruses including coronavirus as well as prolong the usage of your facial mask. Our Silicone based and Alcohol Free spray moisterizes your skin.