| 摘要 |
Pharmaceutical compositions suitable for topical administration comprising two active ingredients, a hydroxycarboxylic acid and prednicarbate, and a pyrrolidone carboxylate salt moisturizing agent. In a particular aspect, the two active ingredients in the present inventive compositions have a purity of at least 90% and a concentration of degradation product (s) less than about 10% of the starting concentration of the active ingredients. These compositions are used for topical medical applications, particularly to treat steroid responsive dermatoses.
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