Question
Posted on: March 6 2013How do I prepare urea in the next preparation? Urea 5% Lactic acid 3% eucerine, Aqua AD 100 g
How to process urea, because urea must not be heated and water is the internal phase? By simply rubbing with the base, urea is located in the external phase. Can lactic acid be heated?
Answer
Best is left of Eucerine Anh. and water; The first is melted the second is heated to 40 degrees and it resolves urea and lactic acid. Then mix. If high temperatures are avoided, urea can be easily dissolved in hot water. This shortens the duration of solving!