白色洗剂又名含硫钾洗剂，是皮肤科常用制剂，《中国医院制剂规范》收载。笔者多次配制发现，该处方所配洗剂pHil以上，外观黄色。临床反映，用后皮肤刺激大，皮屑脱落明显。实验证明，其主要原因是氢氧化钾含量超限所致。按规定“总碱量以氢氧化钾计不少于82％”。由于不同厂? White lotion, also known as sulfur potassium lotion, is commonly used in dermatology preparations, “China’s hospital preparation norms” contained. The author repeatedly formulated found that the prescription with lotion pHil above, the appearance of yellow. Clinical response, skin irritation after using large, significant shedding of dander. Experiments show that the main reason is due to excessive levels of potassium hydroxide. According to the provisions of “total alkalinity to potassium hydroxide not less than 82%.” Due to different factories?