Back of the arms If you're prone to red bumps on the backs of your arms -- not-so-affectionately called "chicken skin" and medically referred to as keratosis pilaris -- there is something you can do about it. Opt for a body lotion that contains lactic acid, which chemically exfoliates the skin, suggests dermatologist Zein Obagi MD. To keep the problem at bay, you'll have to use the lotion daily, but the results will be worth the effort.
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