An international team of researchers has warned the public to beware of sub-standard hand sanitisers readily available on the market in the fight against Covid-19.
They have also provided detailed "recipes" for the manufacture of effective hand sanitising gels and explained the science behind them.
In an article published in the International Journal of Pharmaceutics, the researchers wrote that there is a real risk that consumers are obtaining and using hand cleaners with low or inadequate concentrations of alcohol.\
These might appear similar to hand disinfectants,