HOWSTUFFWORKS — Pimples can be painful, both literally and figuratively (it’s hard to feel confident with a face full of acne). Luckily, there is no shortage of over-the-counter and prescription products to treat skin issues. And acne sufferers will happily shell out cash to get a clear complexion: People spent more than $2 billion in the treatment of acne, including costs for prescription and over-the-counter products, according to a 2005 study.
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