Pharmacological Action：It can dissolve protein, increase protein hydration, improve the skin penetrability, and has the function of anti-bacteria, anti-itch and dehydration.

Application: It is extensively used in ointments and injections, and indicated for treatment of ichthyosis, rhagades manus et pedes, palmoplantar keratoderma, pityriasis rubra pilaris, eczema rhagadiforme, senile pruritus and hemangiomas.

The Main Quality Specification: A special purified process was developed and applied to manufacture medicinal urea in our company. The urea produced by our company is with high purity, low impurity content and stable quality. The content of urea is not less than 99.7%. And the content of main impurity, biuret, is not more than 0.1%. And the quality specification in detail see Table 4.

Table 4 The Main Quality Specification of Medicinal Urea