proprietary formula

• 专用配方

proprietary formula的用法和样例：

例句

1. The formula specially designed for men works to release toxic heat, prevent blackhead growth, thin pore, and clean skin.
   特别为男士设计的专用配方，能清除热毒，防止黑头生成，幼细毛孔，使肌肤光洁润泽，充满魅力。