Urea is an interesting humectant, that is used within all sorts of formulas within the cosmetic industry. Its role within the stratum corneum (the outer layer of skin), is to maintain a healthy moisture balance, keeping the skin soft and supple. Urea is a substance that readily absorbs water and it also has a very high water content, which helps to reduce the amount of water lost through the skin. Additionally one of urea's many benefits, is that it helps to accelerate the skins cellular renewal process.

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