由于皮质易渗，须避免与油脂性物质或化妆品接触。
Because the cortex is easy to seep, must avoid the contact with the greasy substance or the cosmetics.
研究采用氨络合转换方法，制备了医用或化妆品活性氧化锌等产品。
The ZnO and Cu product can be obtained through ammino complexation and method of substitution.
至少要求：本科或大专院校主修化学，药学，食品或化妆品工业或相关领域。
At least requirements: full time college or high technical student in the major of chemistry, pharmaceutical, food or cosmetic industry or related scientific field.
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