Question

what is hand sanitizer how does it work.​

Answer 1

Hand sanitizer is a unique combination of alcohol with other soothing and anti-bacterial ingredients that are capable of killing 99% of the germs present on hands.

Explanation:

• These come in different forms like gels, runny liquids, etc.

• These are made up of rubbing alcohol i.e. isopropyl alcohol, ethanol, or n-propanol.

• These found in a present-age of 60% to 70% or even 80% in certain cases.

• These are also used to clean wounds.

• By applying a little amount of this liquid in your hands and rubbing them thoroughly for 20 seconds on every curvature of your fingers and palms will disinfect your hands.

Answer 2

Information on hand sanitizer is written below

Hand sanitizer is the liquid solution which may or may not contain alcohol. The ones with alcohol have 60% to 95% concentration.

Ones with no alcohol have other disinfectants. Other constituent of sanitizer vary, example of such constituents is glycerol, hydrogen peroxide.

Sanitisers containing alchols work by denaturing proteins or disrupting lipid bilayer which make up cell membrane of microbes. Disinfectants just kill microbes.

In view of covid-19, only alcohol based sanitisers are effective and should be used.