Here’s Why ‘Old Person Smell’ Is a Real Thing and How You Can Fix It! | August 8, 2025

Here’s Why ‘Old Person Smell’ Is a Real Thing and How You Can Fix It!

 

While we love and respect our elders, we do also realize that there are certain things that come with age besides wisdom. Physical changes in older people are not just their outer appearance.

There’s a distinct body odor that is a product of aging, commonly called “old people smell”. Though that’s not a flattering term, science has proven that it does exist. You’ve smelled it. It’s sort of musty with undertones of oil or grease, and it seems to come out of the pores.

You can find it in a relative’s house, nursing homes, or in the line at the grocery store, but understand it has little to do with hygiene. According to scientists, the odor is caused by a compound called 2-nonenal. When hormones change as we age, our bodies produce more fatty acids in the skin.

Our antioxidant levels decrease as we get older, so those fatty acids are exposed to oxidation with in turn produces high amounts of nonenal. It can remain on the skin even after washing, and largely exudes from the chest and back area.

There are a few things that can heighten the intensity of the smell: dirty laundry, confined spaces, and dehydration.

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