Is it simply heat rash, or could it be a more persistent skin condition like eczema? Learn how to spot the difference.

Your skin is the first thing people see when they look at you. Strangely enough, it's considered the largest organ in the human body -- right up there with the intestines, lungs, and liver.

This story is part of Select’s New & Notable column, where we highlight our favorite product launches. We will continuously ...