Hey everyone, did you know the urine was used as a detergent in the ancient times? Let me tell you, the reusability of urine was discovered all early on. The Romans, for example, traded in urine and sold it to the leather industry where it was used to soften leather and remove move hairs. Urine was not only used in leather industry, but in the entire clothing industry. Urine was used to strengthen the natural dyes and to bind them to, for example, the wool before