urine of mammals. It is a colourless, odourless solid, highly soluble in water and practically non-toxic. The body uses it in many processes, the most notable one being nitrogen excretion. The average person excretes about 30 grams of urea a day, mostly through urine, but a small amount is also secreted in perspiration.
Synthetic versions of the chemical compound can be created in liquid or solid form. Urea is widely used in fertilizers as a convenient and indispensable source of nitrogen. Urea is also an important raw material for the chemical industry. It is used to produce some types of plastics, animal feed, glues, toilet bowl cleaners, dish washing machine detergents, hair colouring products, pesticides, and fungicides. Medicinally, it is used in barbiturates, dermatological products that re-hydrate the skin, and diuretics.