Alkaline chemical burns. Basically, the degree of this kind of burn is directly proportional to the concentration of lye and temperature, which will make the contact skin fester. If there is no obvious discomfort at that time, it should be a slight burn. There will be no major problem after washing with a large amount of warm water. Koh is easily soluble in water, and it will not penetrate into the skin and cause any internal damage. You may find that your burned area is molting in a few days. It will be all right when you molt it clean and grow a new skin. But next time we must pay attention to safety. If you encounter it unfortunately again, immediately wash it with a large amount of cold water. If there is obvious pain, you can appropriately coat the affected area with boric acid / acetic acid solution. In case of skin ulceration, remember to go to the infirmary to clean it up, and do a good job in the antibacterial treatment of the exposed parts of the skin and meat to avoid bacterial infection.

氢氧化钾溶液接触皮肤的主要危害是腐蚀皮肤。按照你的描述，氢氧化钾溶液应该只有少量溅到皮肤，这种情况需要及时冲洗，如果皮肤有明显红肿或疼痛则需要就医。如果皮肤没有明显变化也没有疼痛的话一般就没什么大问题。氢氧化钾溶液有腐蚀性但无毒，高浓度的氢氧根导致腐蚀性。钾离子接触皮肤不会造成损伤，毕竟细胞内也含有大量钾离子

The main harm of potassium hydroxide solution in contact with skin is to corrode the skin. According to your description, only a small amount of potassium hydroxide solution should be splashed on the skin, which needs to be washed in time. If the skin has obvious redness or pain, you need to see a doctor. If there is no obvious change in the skin and no pain, there is generally no big problem. Potassium hydroxide solution is corrosive but non-toxic, and high concentration of hydroxyl causes corrosion. Potassium ions will not cause damage when contacting the skin. After all, cells also contain a large amount of potassium ions

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