Posts

Showing posts from May, 2021

What is the composition of sanitizer

  WHO offers two simple formulations for making our own hand-sanitizing liquids in resource-limited or remote areas where workers don’t have access to sinks or other hand-cleaning facilities. One of these formulations uses 80% ethanol, and the other, 75% isopropyl alcohol, otherwise known as rubbing alcohol. Both recipes contain a small amount of hydrogen peroxide to prevent microbes from growing in the sanitizer dispenser and a bit of glycerol to help moisturize skin and prevent dermatitis. Other moisturizing compounds we might find in liquid hand sanitizers include poly (ethylene glycol) and propylene glycol. When an alcohol-based hand sanitizer is rubbed into the skin, its ethanol evaporates, leaving behind these soothing compounds. In clinics, runny, liquid hand sanitizers like those you can make from the WHO recipes are easily transferred to the hands of patients, doctors, and visitors from wall-mounted dispensers. For consumers, hand sanitizer gels are a lot easier to carr...