According to tradition, one's urine is an efficacious remedy for chapped hands. Folklore also emphasizes the virtues of the frequent application of a young infant's wet diaper in the management of acne. So many people have faith in this remedy that it was deemed worth while to evaluate the product critically.
Memories of four years in medical school with the almost constantly present 5-gal. bottle and funnel in the men's lavatory suggested a ready source for this natural secretion, but esthetic factors and discretion recommended some other origin. It was finally determined to employ a synthetic urine based upon the average composition of the natural product. "Dorland's Illustrated Medical Dictionary" states that 1000 parts of healthy urine contain about 960 parts of water and 40 parts of solid matter, which consists chiefly of urea, 23 parts; sodium chloride, 11 parts; phosphoric acid, 2.3 parts; sulfuric acid, 1.3
BUTTERWORTH T. Synthetic Urine as a Local Therapeutic Agent in Dermatology. AMA Arch Derm. 1958;78(1):91–92. doi:10.1001/archderm.1958.01560070095015
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