COVID-19 is the talk of the town. Related to Coronavirus, there had been thousands of news surfacing. The credibility of such news cannot be justified but hand sanitiser had emerged as one of the biggest tools of the “ culture corona ”. Prices soar up by night and even 50 ml bottle became a rarity. It’s a compulsory item for everyone.
The only active ingredient of a hand sanitiser is alcohol. Generally, 70 % of alcohol constitutes the entire solution however, it varies too. Ethanol, present mostly in alcoholic drinks is also used in hand sanitiser. The difference is that in hand sanitizer the volume is comparatively high. Also, isopropanol or n-propanol is another alcohol used too.
The alcohol molecule destroys bacteria and viruses by rupturing their outer membrane, resistance is not a problem with alcohol-based hand sanitisers. Ethanol and isopropanol, have one drawback that they dry the skin. To stop this, glycerol is added but the problem is when glycerol is added, the solution thickens. Colours and fragnances are further added to make it smell good. The best and the funniest part is people can’t drink it for its bad taste.
Market gimmicks claims that chemical kills 99.99% of germs however, the effectiveness of hand sanitizer depends on how dirty or hands are and secondly, what kind of pathogen it is being used. The magic totally depends on this. Another important fact is that hand sanitisers do not remove dirt. For that we need soap and water. It is advised by the doctors that to use hand sanitisers in combination with regular hand washing