5 Things Researchers Found About Menopause, Body Odor, and an Oily Compound Most Women Have Never Heard Of

By Edith Thompson

Last updated August 11, 2026

1. Menopause Can Change Your Scent — But It’s Not Only More Sweat

If your scent changed in midlife, you’re not imagining it.

 

Hot flashes and night sweats can make sweat feel like the obvious cause.

 

But researchers identified 2-nonenal—an age-associated odor compound formed when fatty acids in the skin’s surface oils break down.

So the common belief is partly right:

 

Midlife changes matter.

 

But this may not be only a sweat problem.

 

It may also be an oil problem.

2. Your Deodorant Was Designed for a Different Problem

Antiperspirant reduces sweat where you apply it.

 

Deodorant manages odor under your arms.

 

Fragrance covers it with another scent.

 

But skin oils sit across your neck, chest, upper back, and other parts of your body.

 

So while your armpits may smell perfectly fine…

the scent can keep returning everywhere else.

 

Your deodorant may be working.

 

It’s simply guarding the wrong door.

3. Researchers Found a “Sebum Map” Across the Body

Sebaceous glands produce the oils on your skin.

 

They are especially concentrated around the scalp, upper chest, and back—with some areas containing hundreds of glands per square centimeter.

 

Yet your strongest odor product goes only under your arms.

 

That leaves most oil-rich areas untouched.

 

We call this The Sebum Map.

 

And it explains why an armpit-only routine can feel incomplete.

4. Your Collar and Pillowcase Can Reveal What Your Armpits Miss

Want to see where the scent is really returning?

 

Check your shirt collar after a normal day.

 

Then check your pillowcase and pajama neckline the following morning.

 

If your armpits smell fresh but the scent remains there, that is an important clue.

 

The problem may not stop where your deodorant does.

 

Don’t follow only the sweat.

 

Follow where the scent returns.

5. Japanese Persimmon Tannin Takes a Different Approach

This is why YUDO Japanese Persimmon Body Bar was created.

 

Its Japanese kakishibu persimmon tannin helps target age-related odor during cleansing instead of covering it with another fragrance.

 

And because it’s a body bar, it reaches beyond your armpits.

 

One bar. Around 30 seconds. Whole body.

 

Follow the Sebum Map.

 

Wash. Rinse. Smell like nothing.

What Deodorant Can’t Reach, YUDO Was Designed For.

Beyond the Armpits. Across the Sebum Map.

  • 4.8/5 Excellent Based On 3,798 Reviews

YUDO Japanese Persimmon Body Bar helps target age-related odor during your wash instead of simply covering it.

 

One bar. Around 30 seconds a day.


Whole body. Rinse clean. Get on with your day.

 

WASHES AWAY. NOT OVER.

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