[Acne] what exactly happens (beneath the surface) when you pick at skin/pop a pimple?

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Hi SCA,I'm a serial picker who has learned, through (difficult) experience, that picking at my skin and popping my pimples only leads to more breakouts.I'm hoping someone could explain exactly what happens beneath the skin when picking/popping occurs, and why this leads to more breakouts—is it because of the spread of bacteria? perhaps because popping/prying at the skin makes it more vulnerable..?any and all input is appreciated.
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Submitted by thecatspajaamas