避开关于去黑头的误区。 去掉脸上的多余油脂。 每周至少洗枕头套一次。 尽量不要让头发碰到脸，不要用手摸脸。 不要用手挑或挤黑头。

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?
Part of why it is simply not possible to wipe away your blackheads is because they are not caused by a buildup of dirt. Instead, they are created by a buildup of dead skin/sebum, which then reacts with oxygen and turns the substance in your pores black.  As well, it is impossible to shrink, close or open your pores, as your pores are not muscles. They are simply holes that house the hair follicles and sebaceous glands on your body. While some substances, like lemon or mint, can make your pores a