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Introduction

It is always better to prevent any chemical or biologicalcontamination than to cure once it already occurs. There are certain methods ofhand washing which are among the key factors when it comes to good preventionfrom contamination. It is of utmost essence in the prevention of numerouscontagious illnesses and diseases. Proper hand washing techniques are crucialin all hospitals, because all the nurses, doctors and surgeons are constantlyin contact with many infected patients. Recent outbreaks of bird flu, swine fluand similar dreaded infections has made the hand sanitizers become veryimportant items which can be found in virtually every household in the world.In spite of their popularity, hand sanitizers are the subject of numerousdebates about the safety of certain ingredients which can be found in some ofthese products.

Liquid Hand Sanitizer Ingredients

Hand sanitizers are basically a liquid form of soap, whichare designed to be applied to the hands and they usually have a very distinctfragrance. Among the most important ingredients of all hand sanitizers iswater. Different brands of hand sanitizers normally use different ingredients.

When the glycerin is in its purest form, it is actuallyalcohol, and it is then referred to as glycerol. Its concentration commonlygets modified for use in different types of pharmaceutical and cosmeticproducts, and then it becomes glycerin. It is a sweet tasting, odorless thickliquid which becomes a thick paste when frozen. It can be dissolved in alcoholand water but it cannot be dissolved in oils. It softens and moisturizes theskin, mostly due to its hygroscopic nature. Hygroscopic nature actually meansthat it is able to absorb the water from the air. Ethyl alcohol is the mainingredient of most hand sanitizers. It can also be used for medicines,colorings, flavorings, scents and as a drinking alcohol. It does not have acolor and it is very flammable. The usage of ethanol is restricted to a certaindegree by the FDA. It can be substituted by certain other substances when itcomes to the production of hand sanitizers. Those include tocopheryl acetate,aminomethyl propanol, tocopheryl acetate, propylene glycol, Isopropylmyristate.

Carbomer is also commonly used in most types of handsanitizers in order to increase the thickness of the sanitizer itself. Fragrances may also be added in order toprovide the hand sanitizers with a pleasant odor or scent. Scented handsanitizers provide a sense of freshness.

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