No one is ever excited about the appearance of a blister, according to us, and we believe it’s safe to say that. Sure, we know a blister here or there is inevitable, but always, always are they welcome. Blackheads are annoying, but under-the-skin acne have them hit. Under-the-skin acne, otherwise known as deaf blackheads, are exactly what you think—a blister that stays under the skin.

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