We have the recipe to make the most effective homemade disinfectant gel against coronavirus (but experts recommend that, better, you keep washing your hands with soap and water)

In times of shortage of disinfectant gels, the internet has made itself heard in the form of thousands of recipes for homemade sanitizing gels to prevent the spread of the coronavirus and all its symptoms by our own means (as much as doctors remind us that the best measure to prevent this contagion is to stay at home and wash your hands with soap and water). From the shabby that puts alcohol directly on the hands to those who use more exotic ingredients such as ravintsara or bergamot or those who extol the antiviral virtues of the tea tree, the options are many … and most of them ineffective.

As they explain from the University of Westminster, there are only two types of disinfecting gels that kill germs and from that scarce family, to prevent the spread of the coronavirus, we are only interested in those that have a good amount of alcohol … and a very specific type of alcohol. Commercial disinfectants can carry 60 to 90% alcohol (often isopropanol) and they all kill a fair amount of bacteria, but as for viruses, the alcohol of choice should be ethanol because it is the one that has shown the strongest virucidal activity (95%). And even with ethanol in between, it must be remembered that a very high concentration of alcohol is required to function (from 70%) and that even in optimal concentrations it can fail (for example if we put it on sweaty or dirty or greasy hands …).

Is it a good idea to make your own hand sanitizer gel at home?

Given the state of alarm and the impossibility of finding these types of products in pharmacies, the imagination of many has been put to work and, with these data in hand, they have launched into the race to create their own homemade antimicrobial master formulas. Has it been the best of ideas? Well not too much

"I think this coronavirus situation has overcome us all and it is normal for people, in despair, to try making homemade disinfectant gels. The problem is that not everyone is trained to do them and if they do not use safety measures such as appropriate gloves and correct proportions of chemical products, it could be very harmful, "explains the dra Gloria Abad, Dr. López Gil Clinical Dermatologist and member of Doctoralia.

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Within the section of those who have joined chemical apprentices is a large group that follow the recipe to the letter to make hydroalcoholic gel that the pharmacist Miguel Ángel Benjumeda spread through a video on the Facebook profile of his pharmacy. Its mixture is achieved by putting it in a dispensing bottle 250 ml of 96º alcohol, 90 ml of water and 25 ml of liquid glycerin And, according to the experts, of everything seen by the Network in these times it can be the most effective of all the proposals so far.

Still, from the United States CDC they warn that only the tested gels work and from the Spanish Society of Dermatology and Venereology They explain to us that all these homemade recipes are not endorsed by regulations and that, in a country like ours, in which yes there is easy access to soap and water, it is not necessary to get into a chemical or do experiments to prevent the spread of the coronavirus, just wash your hands often.

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