经常洗头。 尽量不要摸额头。 不要戴帽子。 保持枕套和床单的清洁。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
If you have forehead acne, it’s important to wash your hair often. This is especially important if you have bangs or hair that falls over your forehead, since it can transfer oil and impurities to your skin. Your hands can have oil and other impurities on them, which can clog your skin. Try to keep your hands and fingers away from your forehead. Wash your hands regularly if you touch your face a lot. This helps reduce the oil and other impurities on your hands. Hats that cover your forehead can