Offen formulation tested proved which can kill 99.99% on virus such H1N1 and 99.99% for bacteria killing such as Staphylococcus aureus, Escherichia Coli and Klebesiella pneumoniae. Also, according to the Singapore National Environment Agency report, ...0.05% Benzalkonium chloride can kill Coronavirus. And our active % of Benzalkonium chloride is more than 0.5% which is 10 times more than Singapore National Environment Agency suggested.