Adding diluted hydrogen peroxide boosts antimicrobial activity. Hand sanitizers containing at least 60-95% alcohol are effective at killing germs.
Kuongeza Haidrojeni peroksaidi iliyoyeyushwa huzidisha shughuli ya kupambana na uchafu.Vieuzi vya mikono vilivyo na angalau 60 hadi 95% ya alkoholi hufaa katika kuuwa viini.