The Covid-19 pandemic has made people change their behavior in many different aspects, including personal hygiene.   Information about viruses, where they are found, their longevity, how they are spread and much more, is readily available to people. This information and new necessities have made us change habits and adopt new cleansing and hygiene routines that have led to a dramatic increase in demand in the hand soap market.   Frequent use of hand soap harms the natural sebum that protects...