It's no secret that the average person in their daily lives using a huge variety of chemicals.Their list is useless, so we mention only a few: dish detergents, shampoos, liquid for windows, polishes and even toothpaste (do not think that the series «Herbal» produced from one plant only).It is obvious that hardly any of them will be able to find useful.Rather, it is part of the friendly and have a negative impact.In recent years, it fell under suspicion and substance "sodium laureth sulfate."
his long search is not necessary: it is enough to read carefully on the back of the packaging structure favorite shampoo or other cosmetics.Almost certainly there will be indicated laureth or sodium lauryl sulfate.Moreover, these substances are first in the list, which indirectly indicates their relatively high concentration.Drinking is really not worth it.Interestingly, the producers, seeking to protect the buyer of its products from excessive vibrations, sometimes indicate Eng.name - sodium laureth sulfate.
Currently, the main surfactant (surfactants) in the vast majority of detergents are derivatives of compounds sulfoetoksilatov.The purpose of these additives is reduced primarily by lipolysis, and of course, the formation of foam.Alas, we are all accustomed to, that if the shampoo does not foam, it is with him that something is not right.
most famous sodium lauryl sulfate.It is one of the byproducts of oil refining.Benefits include high detergency in water of any temperature (remember advertising funds for dishes).It would seem - ideal surfactant.However, not all so simple.Lauryl destroys lipid protective layer of human skin, so does not cause irritation to wait long.At high concentrations of the substance can cause a chemical burn.Note that in addition to detergents, this pre-ethoxylated surfactant that lowers its aggressiveness by several orders.Furthermore, since the final product contains a list of the various components, including the emollients and humectants, the negative impact of sodium lauril sulfate expressed less bright.
At the same time, now more producers refuse lauryl sulfate, sodium laureth sulfate from use.Compared with the previous one, it has a sparing action on the skin, while maintaining a high washing efficiency.Sodium laureth sulfate retains the ability to accumulate on surfaces, so always follow the manufacturer's recommendations and thoroughly wash vehicle after use.Often on vessels with double prescribe shampoos to wash your hair.Was it an accident?In any case, if there is a lot to choose from, the preference is to get sodium laureth sulfate, rather than its closest "relative" - lauryl sulfate.
In order to remain competitive, some manufacturers have expanded their range of products, partially or completely abandon the use of the above surfactant.Still as lauryl and laureth sulfate are rigid surfactants.
They are the modern alternative "soft" compounds which do not cause excessive skin irritation.Notable is worth noting cocamidopropyl betaine and glycerol monostearate.This new generation of detergent surfactants that are suitable for people with sensitive skin.
Sometimes the stores of cosmetics you can find a compromise, when the concentration of the primary surfactant (sodium laureth or lauryl sulfate) is reduced by the addition of cocamidopropyl betaine.
