03/20/2016
THE ART OF CLEAN!
When our skin is dirty there is a potential to cause problems. A basic fact: If something is not clean – it’s dirty! Mud, oil, sweat etc. that is left on our skin has the ability to hold on to excessive amounts of bacteria. Although, while some bacteria is good, too much can cause sickness and disease. The goal for all of us is to get clean, get the dirt off our body and with it any excess germs and bacteria.
So, then, how do you remove the dirt?
Simply answered, you must wash!
However, water alone will not remove the dirt…why is that? Because, water on its own is very selfish! Every water molecule gravitates to every other water molecule and when they come into contact with anything that is not water, they huddle together and form a thin barrier that allows water to bead, this is called surface tension, repelling most other things away from it. For example, just pour some water in a bowl and place a paper clip on top and see the paper clip float. Or try mixing oil and water, you can try but it just isn’t going to happen. So on it’s own water is a poor cleaning agent. Sure, with some things water can wash away the majority of the dirt. Take for example after you have worked in the yard for a couple of hours and you hands have an ample helping of soil and grass stains, rinsing them in warm water will remove the majority of the dirt, but you're not going to remove it all. The reason for that is the dirt remaining is attached to the oils that are naturally on our skin and since oil and water don’t mix; the oil will remain and with it the dirt.
What’s the solution? - Soap!
What is soap? Soap is a surfactant in that it breaks down the surface tension of water allowing it to interact with oil and grease more easily. The process that makes soap, soap is called saponification…essentially a triglyceride (the chemical name for fats and oils) chemically joins with a strong alkali (sodium Hydroxide) and is able to battle grime and dirt…The most basic soap is made of Olive oil (triglyceride) water and Sodium Hydroxide (alkali).
Soap meets water!
What happens now is quite remarkable…soap mixed with water creates a very social environment. Water is no longer an antisocial entity, the surface tension is gone and the water is ready to mix with everything it comes into contact with. So, now when you are washing your hands, the water and soap combination is able to mix with all the oils and dirt on your hands, any bacteria present is mixed up in the lather while you scrub. Then you rinse with water and voila your hands are clean.
What actually happens during a wash?
The soap molecule has one end that loves oils and grease; this end of the molecule is lipophilic. The other end of the soap molecule is hydrophilic which means it is loves water. During the lathering and scrubbing stage of washing, the end that is lipophilic attaches itself to the oils on your hands and any dirt attached to it. As we lather the soap on our skin the lipophilic ends are affixing themselves to the oil, breaking it down, lifting it off of our skin, and suspending it in the lather. When we add water to rinse our hands, the hydrophilic end attaches itself to the water we are using to rinse, and firm in the grip of the lipophilic tail of the soap molecule is the oil and grease and with it all the dirt and bacteria, leaving your hands dirt free…it’s the art of clean!