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Here's what changes in your skin to produce the scent.
You may not be able to smell it yourself if you're producing it.
Related: "How Many Of These "Basic Hygiene Habits" Do You Do?"
Unlike sweat, it doesn't wash off easily.
And also? It's all natural and perfectly OK.
This article originally appeared on HuffPost.
The original version of this story was published on HuffPost at an earlier date.
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