Useful when you don’t have access to a sink and some soap, hand sanitizers have become a hot commodity in the Covid-19 Lockdown Globally .
In early 2020, as the outbreak of the novel coronavirus, SARS-CoV-2, spread, hand sanitizer sales began to grow.
By March 11, the World Health Organization (WHO) officially upgraded the outbreak to a global pandemic. Health agencies everywhere recommended that people refrain from touching their faces and clean their hands after touching public surfaces like door handles and handrails.
The first Indian case of COVID-19, the disease caused by SARS-CoV-2, was detected Feb 2920 With India having a huge Population and Limited Sanitizer Manufacturer. Home Grown and Small time Sanitizer Manufacturers have sprung up Across India
But is the popularity of hand sanitizers justified? Although most health officials say that soap and water is the best way to keep your hands virus-free, when you’re not near a sink, the experts say, hand sanitizers are the next best thing. To get the maximum benefit from hand sanitizers, the Centers for Disease Control and Prevention (CDC) recommends that people use a product that contains at least 60% alcohol, cover all surfaces of their hands with the product, and rub them together until dry.
Even before scientists knew that germs existed, doctors made the link between handwashing and health. American medical reformer Oliver Wendell Holmes and the Hungarian “Savior of Mothers,” Ignaz Philipp Semmelweis, both linked poor hand hygiene with increased rates of postpartum infections in the 1840s, almost 20 years before famed French biologist Louis Pasteur published his first germ theory findings. In 1966, while still a nursing student, Lupe Hernandez patented an alcohol-containing, gel-based hand sanitizer for hospitals. And in 1988, the firm Gojo introduced Purell, the first alcohol-containing gel sanitizer for consumers.
Although some hand sanitizers are sold without alcohol, it is the main ingredient in most products currently being snatched from store shelves. That’s because alcohol is a very effective disinfectant that is also safe to put on your skin. Alcohol’s job is to break up the outer coatings of bacteria and viruses.
Sars-Cov-2 is what’s known as an enveloped virus. some viruses protect themselves with only a cage made of proteins. but as enveloped viruses leave cells they’ve infected, the viruses wrap themselves in a coat made of some of the cells’ lipid-based walls as well as some of their own proteins. like the lipids protecting these microorganisms, alcohols have a polar and a nonpolar region, so “ethanol and other alcohols disrupt these supramolecular interactions, effectively ‘dissolving’ the lipid membranes,” however, , you need a fairly high concentration of alcohol to rapidly break apart the organisms’ protective coating—which is why the cdc recommends using hand sanitizers with at least 60% alcohol.
but rubbing high concentrations of alcohol on your skin is not pleasant. the alcohol can quickly dry out your skin because it will also disrupt the protective layer of oils on your skin. that’s why hand sanitizers contain a moisturizer to counteract this drying.
People who have tried to make their own gel-based hand sanitizers can tell you that classic gelling agents like gelatin or agar won’t behave when mixed with the high concentrations of alcohol that you need to kill viruses and bacteria. These agents won’t form a gel that’s stable because polar alcohol groups interrupt the intermolecular bonds. Manufacturers get around this obstacle by using high-molecular-weight cross-linked polymers of acrylic acid. The covalent cross-links help make a viscous gel that’s resistant to alcohol’s
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