THE SCIENCE OF HAND WASHING: HOW TO PROPERLY CLEANSE YOUR HANDS
Hand washing is one of the most important and effective ways to prevent the spread of infectious diseases. It is a simple, yet powerful act that can significantly reduce the risk of contracting or transmitting infections. The science of hand washing involves understanding the types of germs and viruses that can be found on our hands, as well as the most effective methods for cleansing them. In this blog, we will explore the science of hand washing and provide tips on how to properly cleanse your hands.

The Science of Hand Washing:
Our hands come into contact with countless surfaces and objects throughout the day, and each of these surfaces can harbor different types of germs, bacteria, and viruses. These microorganisms can include everything from harmless bacteria to deadly pathogens like COVID-19. When we touch our face or other surfaces, we can easily transfer these germs onto other surfaces and into our bodies.
Hand washing is a simple and effective way to remove these germs from our hands. The basic process involves wetting your hands with water, applying soap, scrubbing your hands for at least 20 seconds, and rinsing them thoroughly with water. The friction created by rubbing your hands together helps to lift and remove dirt, oils, and germs from the surface of your skin.
It is important to use warm water when washing your hands, as this can help to increase the effectiveness of the soap. The soap works by breaking down the outer layer of oils and dirt on your skin, which allows the germs to be washed away more easily. After scrubbing your hands, it is important to rinse them thoroughly with water to remove any remaining soap and germs.
In addition to hand washing, it is also important to dry your hands thoroughly. Wet hands can be more prone to picking up germs and can also create an environment that is more conducive to bacterial growth. You can use a clean towel or air dry your hands to remove any excess water.
Proper Hand Washing Techniques:
To ensure that you are properly cleansing your hands, it is important to follow a few key techniques:
1. Wet your hands with warm water.
2. Apply soap to your hands and create a lather.
3. Scrub your hands for at least 20 seconds, making sure to clean all surfaces of your hands, including your palms, the backs of your hands, between your fingers, and under your nails.
4. Rinse your hands thoroughly with water.
5. Dry your hands with a clean towel or air dry them.
It is also important to wash your hands at key times throughout the day, including after using the bathroom, before and after eating, after touching animals, and after being in public places.
Hand washing is a simple yet powerful way to prevent the spread of infectious diseases. By understanding the science of hand washing and following proper techniques, we can significantly reduce the risk of contracting or transmitting germs, bacteria, and viruses. By making hand washing a regular habit, we can help to keep ourselves and those around us healthy and safe.
References
1. https://www.cdc.gov/handwashing/index.html
2. https://www.who.int/gpsc/clean_hands_protection/en/