There are also stronger creams containing urea that might be more effective, but don't use these unless recommended by your doctor.

All members of this genus contain serotonin, urea, and tryptophan.

The reason: it contains urea, which, he says, is a chemical that is also put into cigarettes.

If skin is dry, moisturizers that contain urea, dimethicone, glycerin, lanolin, or mineral oil can be good bets.

One Criticism is that human sweat contains urea and ammonia.

According to the ad, urine and tobacco both contain urea.

The kidneys contain urea, a compound that disrupts protein folding but does not destroy the proteins.

Fresh urine may be noninfectious because it contains urea, which may alter the prions and inactivate them.

It also contains minerals, lactate, and urea.

But somehow, instead of accumulating in the bladder, the urine and the nitrogen containing urea were reabsorbed across the bladder wall.