spend billions of dollars a year for such things as make-up, perfumery, conditioners and shampoos worldwide. At the same time whether you thought what is part of these means?
The make-up, certainly, is not new opening. More than three thousand years ago women in Greece already used make-up. Cosmetics contained lead to receive light tone of the person. The women living in Ancient Egypt used the dark substance known as antimony to darken eyelids. Today the make-up is more widely used, than ever. Cosmetic advertisers are aimed at men and women for the purpose of expansion of the mass business now.
Exact definition of what is cosmetics has been given, according to the Law on trade practice in Australia in one thousand nine hundred seventy fourth. It sounds so: cosmetics - the substances and medicines intended for use on any external part of human body.
People use cosmetics to hide the shortcomings and to improve smell of our body. So after all it for things which we put on the face and body? The majority of cosmetics contain some of the following ingredients: emulsifier, preservatives, thickener, stabilizers rn, fragrances, dyes and water.
Preservatives add to other ingredients of cosmetics to prevent growth of bacteria and fungi which can destroy make-up and do harm to the user.
Emulsifiers - small drops of oil in water or small drops of water in oil. To hold oil and water in bubble, add emulsifiers. Such combination is made in homogenous mixture with equal texture.
After this texture has turned out, add polymers for change of consistence of cosmetic. Thickeners can be received from the synthetic materials known as polyethyleneglycol, or from the natural sources known as polysaccharides.
If cosmetic becomes too dense, then it can be diluted with water or alcohol, both are solvents.
Number of chemicals can be also present to give to cosmetics more pleasant smell or to change its color to desirable shade. There are also additives for regulation of acidity of make-up or level rn. The majority of connections contain these ingredients to be safe for many people.
If at you reaction to one of substances was shown on skin, or you know that you have allergy to some substances, be careful before buying new popular lipstick.