5 Things Women Over 40 Need to Know About Nonenal and Menopause

Over 40 and going through menopause? You might be carrying a scent you can’t smell—but others can. Here's everything you need to know:

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1

Hormonal Sweat Can Trigger Nonenal Production

As your body navigates hormonal changes, menopause often brings increased perspiration from hot flashes and night sweats. This extra sweat reacts with fatty acids on your skin, creating nonenal—the odor associated with aging. It’s not just sweat; it’s a chemical reaction unique to this phase of life.

Graph showing decrease in Nonenal odor using persimmon tannin and green tea deodorizer.

2

Nonenal is Oil-Based and Hard to Remove

Unlike dirt or sweat, nonenal clings to skin and fabrics, making it much harder to wash away. Regular soaps don’t break it down effectively, which is why many women unknowingly live with this lingering scent, even after a shower.

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3

Your Nose Can’t Smell It—But Others Can

Here’s the tricky part: our noses adapt to familiar scents, including nonenal. That means while you might not notice it on yourself, people around you often do. The result? A loss of confidence in social settings without even knowing why.

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4

Stress and Lifestyle Changes During Menopause Make It Worse

Menopause is stressful enough, and that stress can further increase nonenal production. The combination of hormonal imbalances, lifestyle shifts, and aging skin creates the perfect storm for this odor to appear—and persist.

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5

There’s a Proven Way to Take Back Control

You don’t have to live with nonenal. The first step is discovering if it’s affecting you with Mirai Clinical’s Nonenal Sweat Test. This easy-to-use test helps you detect nonenal levels so you can take action. If nonenal is present, our Japanese Persimmon Soap—clinically proven to eliminate 97% of aging odors—will leave you feeling fresh and confident.

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Nonenal Sweat Test

$19.97

pH Test Strip: 1 strip per test, 16 strips included. Detects sweat pH to identify potential nonenal (old people smell) presence.

Color Chart: Scientifically calibrated to interpret results—yellow for healthy (acidic), green for potential nonenal

Instructions: Step-by-step guide for accurate use and results.

"Aging odor doesn't come from poor hygiene. It's just your skin's natural aging process."

- Dr. Yoko, Mirai Clinical's Medical Advisor

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How It Works

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STEP 1

Exercise

Three images showing placement of patches: behind ears, neck, and under armpits.

STEP 2

Apply to sweaty area

Person holding pH test strip near armpit, with color scale indicating acidity to alkalinity.

STEP 3

Compare to chart

Frequently Asked Questions

What is the Nonenal Sweat Test?

The Nonenal Sweat Test is a quick and easy tool designed to measure the pH level of your sweat. By detecting whether your sweat is acidic or alkaline, it can indicate the presence of nonenal, a compound associated with aging-related body odor.

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