It’s time for another closer look at the stuff that goes into our favorite beauty products. Today’s target: urea. Urea (sometimes known as carbamide) is an organic chemical compound. It is produced by humans and many other mammals, amphibians, and some fish. It is produced when the liver breaks down ammonia and protein or ammonia and amino acids. The kidneys then send urea out of the body along with urine. Urea helps carry excess nitrogen out of the body. Um… sounds like kind of a yucky thing to put into beauty products! But it’s used in cleansers, conditioners, hair dyes, … Continue reading →