Similar term(s): carbamide.
Organic compound of carbon, nitrogen,
oxygen and hydrogen highly soluble in water.
In mammals, urea is also a waste product of digested
protein normally filtered out by the
kidneys and excreted from the body in urine.
The main commercial use of urea is as a fertilizer but it has many other
industrial uses. For instance, it can serve as the raw material for the
manufacture of other chemicals, and as an ingredient in cosmetics.
Chemical formula of urea
Source: Wikimedia Commons
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GreenFacts Summary on Tooth Whiteners & Oral Hygiene Products containing hydrogen peroxide