For many the word "urea" caused a strange and unpleasant associations with something smelly trays of cat and irritating any surface. It turns out that everything is absolutely not true.
Component itself has no pungent smell (it does not smell at all), its crystals similar to sea salt. But most importantly, the urea is present in our skin and is a natural moisturizing factor (about 7% of it from us), it was she who makes our skin softer, when we have a little vspoteem. Plus urea stands at the forefront of rescue from eczema and psoriasis, but about all this below.
Why would a man urea
So, we shall understand now with the nature of the component and its role in human life. Urea is known to science for over 100 years, and with it gave the world a lot of good cosmetics, medicines and antifungal ointments.
Our skin - a highly organized structure, and to protect itself from the effects of the environment, it emits a secret - urea. Her job as a natural moisturizing component - to catch the water molecules and hold them in the skin to victory. But urea in the skin of only 7%, so to keep the skin a lot of moisture, urea enters into an alliance with the polypeptides and amino acids. This powerful alliance is so strong in the hunt for the water molecules that is able to transform even a dry skin over time in normal!
Strong grasp of water molecules - not the only benefit of urea, which is made out doctors and beauticians. Doctors pay attention to a very important detail - the extremely small size of the urea molecules, it helps it to penetrate into the deeper layers of the skin. And once these small molecules are able to penetrate the skin, so it is necessary to urgently urea used in cosmetics as a conductor. What did the manufacturers of cosmetics and cosmeceuticals. Now modern cosmetics, with urea in the composition, is able to deliver water for medicines and nutrients through the stratum corneum.
And that's not all. Dermatologists spotted in urea powerful fighter against fungus and microbes. Therefore, in the treatment of burns and fungal infections of nail plates without the high concentration of urea are now nowhere.
Why urea is needed in medicine
Because of the ability of urea to make the skin soft and smooth when we vspoteem, it found its way into vehicles from eczema, psoriasis and neurodermatitis different from dry skin of diabetics. In such cases, it is essential to soften the skin and give it a crack, thereby creating a powerful defense against external germs.
In ointments for the treatment of skin diseases such as eczema or psoriasis, urea proportion of not less than 30% (mainly - more reaches up to 40%). And antifungal ointments urea takes up half of the total composition, is the best option to fight athlete's foot.
Why need urea in cosmetics?
First of all, urea is a good moisturizing component is on a par with lactic acid and amino acids. In cosmetics, mass-market, its share in the composition of about 1% (standing in the penultimate place in the composition of the label). Urea as a moisturizing component used in shampoos, face creams, hand and body gels, hair dyes and, of course, anti-aging care.
Urea is used in cosmetics are not natural (i.e., output from the skin secretions), and synthetics. It is called carbamide (karbamid), a synthetic urine was prepared from nitrogen dioxide and ammonia.
In toothpastes, lotions and deodorants urea acts as a deodorant and antiseptic component.
And in those facilities where a part of the urea comes after the water (the word "urea" in the second and third place), says that urea will serve exfoliant; it destroys fine intercellular communication and exfoliates dead skin cells them. This component must be on the 2-4 place in the keratolytics.
Although urea is good and desirable ingredient in moisturizers, still there are contraindications.
Means urea contraindicated in the first place, those who have the skin becomes red, irritated. Also it is impossible to introduce urea inflamed rash and bleeding wounds.
Who has acne, urea will only aggravate the problem, because the sebum with urea will be active.
Those who have sensitive skin - it is recommended to do allergy tests if there is a little allergic to funds with urea.
In general, this is a very useful component in cosmetics and medical facilities, which is also completely non-toxic. But if after the use of cosmetics with urea formed rash, itching or burning, then you must immediately discontinue the use of such cosmetics, and run to the dermatologist, otherwise you can earn allergic dermatitis.
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