Zits. Pimples. Pustules. Acne gets called a lot of things, but "comedones" isn’t one you hear your friends say often. That being said, you’ve probably dealt with them before. Comedonal acne refers to ...

A blackhead, or open comedo, is a type of acne that appears as dark dots on the skin. Generally, it is best to avoid popping blackheads. However, if a person does, it is advisable to do so safely. A ...

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