Do your arms feel bumpy, but the bumps don't hurt or itch? The most common cause of bumps on your arms is keratosis pilaris. Here's what that means.
What Those Bumps On Your Arms Really Mean
Do your arms feel bumpy, but the bumps don't hurt or itch? The most common cause of bumps on your arms is keratosis pilaris — also known as KP or chicken skin. So, what exactly are those bumps?

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