TREDWLL - Deodorizing Persimmon Soap

10,000+ customers

Breaks it down, doesn't mask it

Japanese persimmon tannins bind to 2-nonenal, the oily compound behind aging odor, and lift it off the skin. Not a fragrance. Not a mask. The thing itself, removed.

Real Fermented Kakishibu
Targets 2-Nonenal Directly
Gentle On Mature Skin
Clinically Proven Results
Smell Like:Dried Persimmon & Green Tea
Key ingredients:Persimmon tannin, green tea, shea butter, coconut oil, sweet orange peel

BUNDLE & SAVE

One bar lasts about a month. The 3-pack is what most people take.

2 BARS

2 BARS

Two months. Try it on the pillowcase.

$29.99 $39.98
SAVE $20
3 BARS

3 BARS

Three months. What most people take.

$39.99 $59.97
BEST VALUE
6 BARS

6 BARS

Half a year, lowest price per bar.

$59.99 $119.94

One bar, one month

Pack Lasts Per bar
2 BARS 2 months $14.99
3 BARS 3 months $13.33
6 BARS 6 months $10.00

Used daily on the whole body, a bar runs about a month. Keep it on a draining dish instead of sitting in water and it lasts noticeably longer. Two people sharing one bar will get roughly half that.

30-Day Money-Back Guarantee
Free US shipping over $35
Sally F.
Sally F.

“My husband and I sleep in separate rooms. He is meticulous about his hygiene and washing of clothing and bedding, but there was always this stale smell. Very difficult to discuss. So I just bought the soap and placed it in his shower, saying little. It's like the fairies have been in with magic wands.”

Guarantee Badge

30-Day Money-Back Guarantee Use it for three weeks. If nothing changes, we refund you in full — and you keep the bar.

TREDWLL - Deodorizing Persimmon Soap
30-day money-back guarantee

TREDWLL - Deodorizing Persimmon Soap

Arrives by
Arrives by
Fermented persimmon
Targets 2-nonenal
No synthetic fragrance
Coconut oil & glycerin
Green tea antioxidants
30-day guarantee
No dyes · No parabens
Fermented persimmon
Targets 2-nonenal
No synthetic fragrance
Coconut oil & glycerin
Green tea antioxidants
30-day guarantee
No dyes · No parabens
Fermented persimmon
Targets 2-nonenal
No synthetic fragrance
Coconut oil & glycerin
Green tea antioxidants
30-day guarantee
No dyes · No parabens
Fermented persimmon
Targets 2-nonenal
No synthetic fragrance
Coconut oil & glycerin
Green tea antioxidants
30-day guarantee
No dyes · No parabens
We didn't hire a dermatologist. We asked the people who notice.

We didn't hire a dermatologist. We asked the people who notice.

Nobody can smell this on themselves. That is the whole difficulty of it — the nose adapts to whatever is constantly around it, so the one person who cannot detect aging odor is the person carrying it. Everyone else clocks it the moment they walk into the room, and says nothing.

So we didn't ask the person with the problem. We went through thousands of reviews written by the people around them — wives, daughters, care home staff, sons who noticed at Christmas — and we built the page out of what they actually said. Every claim below traces back to one of them.

The quotes on this page are real customer reviews. Names are shortened, nothing else is changed.

What makes TREDWLL different?

It removes the compound instead of covering it +

Aging odor has a name and a chemistry: 2-nonenal, formed when skin lipids oxidize. Deodorants and scented soaps add a second smell on top of the first. Persimmon tannins do something different — they bind to the compound itself and lift it off the skin, which is why the effect doesn't wear off at lunchtime the way a fragrance does.

There is enough persimmon in it to do the work +

Almost every persimmon bar on the shelf lists persimmon on the label. Most contain a trace — enough to name it, not enough to change anything. Concentrated tannin extract is the expensive part of a formula like this, and it is the only part that matters. That is the difference between a $6 bar and this one, and it is the entire difference.

It doesn't strip skin that is already thin +

Tannins are astringent on their own, which is exactly why cheap persimmon bars leave skin tight and squeaky. The bar is built around that problem: coconut oil and vegetable glycerin offset the astringency, and shea butter leaves a barrier behind after rinsing. Skin at 65 does not forgive a harsh bar.

It has almost no smell of its own +

This is deliberate, and it is the most common complaint about the category. A heavily perfumed bar puts you straight back where you started — covering one smell with another, and now there are two. Ours has a faint clean note that rinses out with the lather. Nothing lingers on the skin.

You can actually check whether it is working +

The usual problem with this category is that you buy it, you use it, and you never find out. Because 2-nonenal is an oil, it leaves a faint yellow, slightly greasy mark on a pillowcase where the head and neck rest. Look at yours after three nights now. Look again in three weeks. That is a measurement, and it is the only one this problem offers.

TREDWLL sec s09 different coupe

The formula.

Six ingredients. Each one is there for a reason you can read.

The formula.

Six ingredients. Each one is there for a reason you can read.
Fermented Persimmon (Kakishibu)

Fermented Persimmon (Kakishibu)

The working ingredient. Tannins bind to 2-nonenal and lift it off the skin instead of masking it.

Coconut Oil & Glycerin

Coconut Oil & Glycerin

Offsets the astringency of the tannins so the bar cleans without leaving skin tight.

Green Tea Extract

Green Tea Extract

Antioxidants that slow the oxidation forming new compound in the first place.

Activated Charcoal & Shea

Activated Charcoal & Shea

Charcoal binds surface residue so it rinses away; shea leaves the barrier behind.

Macro of a TREDWLL fermented persimmon bar

How to use it.

Three things, and none of them are a routine.

Swap it for the soap you already use

Swap it for the soap you already use

Nothing gets added to your morning. No sprays, no extra step, no product to remember. One bar replaces one bar.

Give it thirty seconds on the skin

Give it thirty seconds on the skin

Lather and leave it before you rinse. The tannins need contact time to bind to the compound — this is the one part people skip, and it is the part that works.

Spend that time where it collects

Spend that time where it collects

Upper back, chest, neck, behind the ears. That is where the compound concentrates, and it is nowhere near where most people scrub.

Swap it for the soap you already use

Swap it for the soap you already use

Nothing gets added to your morning. No sprays, no extra step, no product to remember. One bar replaces one bar.

Give it thirty seconds on the skin

Give it thirty seconds on the skin

Lather and leave it before you rinse. The tannins need contact time to bind to the compound — this is the one part people skip, and it is the part that works.

Spend that time where it collects

Spend that time where it collects

Upper back, chest, neck, behind the ears. That is where the compound concentrates, and it is nowhere near where most people scrub.

TREDWLL sec s13 trial 1 garder
TREDWLL sec s13 trial 2 salledebain
TREDWLL sec s13 trial 3 mouille
TREDWLL sec s13 trial 4 taie propre
TREDWLL sec s13 trial badge 30jours

Three weeks. Then you decide.

The compound builds up over time, so it clears over time. Give the bar three weeks of daily use. If nothing has changed, email us within 30 days for a full refund — and keep the bar.

ADD TO CART
TREDWLL sec s13 trial 1 garder
TREDWLL sec s13 trial 2 salledebain
TREDWLL sec s13 trial badge 30jours

Three weeks. Then you decide.

The compound builds up over time, so it clears over time. Give the bar three weeks of daily use. If nothing has changed, email us within 30 days for a full refund — and keep the bar.

ADD TO CART
TREDWLL sec s13 trial 3 mouille
TREDWLL sec s13 trial 4 taie propre

What changed, in their words

The tell is never a feeling — it's a thing that stopped happening. A clean pillowcase. A grandchild who stays on the lap. A room that doesn't announce you.

Excellent 4.6/5 from verified buyers

Which one are you?

Four ways people arrive at this page. Pick the one that sounds like your house.

TREDWLL sec s15 trades 1 pour lui

You can't have the conversation, so you don't.

“He is meticulous about his hygiene and washing of clothing and bedding, but there was always this stale smell. Very difficult to discuss.” — Sally F. What it solves: you replace the bar in his shower and say nothing. He is not accused of anything, because he hasn't done anything. About half our orders are bought this way.

TREDWLL sec s15 trades 2 la lessive

You've already spent money on the wrong thing.

“I no longer feel I need a new washing machine or detergent. It had been me!” — Martha C. What it solves: the vinegar, the borax, the enzyme wash, the second rinse, and for some people a quote on a new machine. None of it worked because the source was never in the drum.

TREDWLL sec s15 trades 3 un parent

You want to fix it without taking their dignity.

“My mother didn't believe she smelled any different. I quietly replaced her usual soap with this.” — Rowan X. What it solves: nothing has to be said out loud, and nothing has to be admitted. The bar goes in the bathroom and the subject never comes up.

TREDWLL sec s15 trades 4 on te l a dit

You found out the hard way, and it stung.

“I didn't think I had it — until my daughter kindly left this soap in my shower. At first I was offended. Then I tried it. She was right.” — Thea Q. What it solves: the part nobody says out loud is that being told is a relief compared to not being told. This is the fix, and it takes no more effort than the soap you already use.

TREDWLL sec s15 trades 5 tout essaye

More showers, stronger soap, more perfume.

“We have always been aware of the 'old person' smell but thought that it was due to personal hygiene.” — Cynthia M. What it solves: washing more often does not touch an oil-based compound, and perfume adds a layer instead of removing one. The frequency was never the variable.

TREDWLL sec s15 trades 6 la taie

You saw it before you smelled it.

“My husband used to leave an oil spot on his pillow in the morning from his bald head. Since using this soap he wakes with a clean pillow.” — Diana W. What it solves: the yellow mark on the pillowcase and the collar is the same compound, in a form you can see. It is also how you will know the bar is working.

Built on chemistry, not on adjectives.

Every number here comes from published research or from what buyers reported. None of them come from us.

Built on chemistry, not on adjectives.

Every number here comes from published research or from what buyers reported. None of them come from us.

2001

the year it was named

Japanese researchers identified 2-nonenal as the compound behind aging odor.

40

when it starts

The compound begins forming around 40 and climbs sharply through the 50s and 60s.

0

people who can smell it on themselves

The nose adapts to a constant scent. That is why nobody catches their own.

3 weeks

before you judge it

It accumulates gradually, so it clears gradually. The guarantee runs 30 days for that reason.

Figures reference published research on 2-nonenal and skin lipid oxidation, and self-reported customer outcomes. They are not clinical claims, and this product is not intended to diagnose, treat or prevent any condition.

TREDWLL sec s16 stats chimie v2

It was never your hygiene.

Six things people get wrong about this smell. Every one of them has a mechanism, and none of them is a failure of cleanliness.

TREDWLL sec s17 roots r1 le col v4

Why does everyone else notice and I don't?

WHY IT HAPPENS — Your sense of smell adapts to whatever is constantly present, within minutes. It is a filtering system, and it is working correctly: a scent that never changes carries no information, so your brain stops reporting it. The result is that the one person who cannot detect this is the person carrying it, and everyone who walks into the room detects it in the first two seconds.

TREDWLL sec s17 roots r2 la douche v4

I shower every day. How is this possible?

WHY IT HAPPENS — Ordinary soap is formulated to lift dirt and sweat, which are water-soluble. 2-nonenal is oil-based, and it clings to skin the way grease clings to a pan. Water and detergent aimed at the wrong kind of soil will not move it, however often you apply them. You can shower three times a day with the most expensive bar on the shelf and it stays exactly where it was.

TREDWLL sec s17 roots r3 pas la sueur v4

It doesn't smell like body odor. It smells musty.

WHY IT HAPPENS — Body odor comes from bacteria feeding on fresh sweat, which is why it responds to deodorant and to washing. This is a different thing entirely: skin lipids oxidizing into an aldehyde. That is why people describe it as musty, greasy, like old books or a closed room, rather than sharp or sour — and why an antiperspirant has no effect on it.

TREDWLL sec s17 roots r4 pas la lessive v4

I've rewashed everything and it comes back.

WHY IT HAPPENS — Because the compound is an oil produced by skin, it transfers to fabric and re-transfers the moment the fabric touches skin again. You can strip-wash the sheets, run the vinegar cycle and buy a new machine — and the pillowcase will be marked again within a week, because the source was never in the drum. Fixing it at the skin is the only place it can be fixed.

TREDWLL sec s17 roots r5 le parfum v4

I've been layering scent over it for years.

WHY IT HAPPENS — Fragrance does not remove anything. It adds a second smell alongside the first, and the combination is more noticeable than either alone — which is why heavily perfumed 'odor' soaps are the most common complaint in this category. Buyers report the bathroom smelling strongly of the product while the underlying problem is untouched. Removal and masking are not two versions of the same approach.

TREDWLL sec s17 roots r6 personne ne dit v4

Why did no one say anything?

WHY IT HAPPENS — Because there is no kind way to raise it, and everybody knows it. Colleagues won't. Friends won't. Adult children agonize over it for months and usually end up leaving a bar of soap in the bathroom instead of speaking. This is the cruelty of the problem: the information exists in every room you enter, and it is the one piece of information that never reaches you.

You've already tried to fix this.

You weren't wrong to try any of these. Each one is a reasonable guess. None of them is aimed at the thing actually producing the smell.

TREDWLL sec s18 attempts section v2
Washing more often

Washing more often

The obvious first move, and the one everybody makes. But frequency is not the variable — the soap in your hand cannot lift an oil-based compound at any frequency. More showers, same result, and now the skin is drier than it was.

Stripping the laundry

Stripping the laundry

Vinegar, borax, enzyme wash, double rinse, hot cycle. Some people get as far as pricing a new washing machine. It comes back within a week because the compound is on the skin and transfers straight back to clean fabric.

More perfume or cologne

More perfume or cologne

The closest thing to a real fix, and the one that backfires. Scent doesn't subtract, it adds — and two smells in a room read as worse than one. Right instinct, wrong direction.

A cheap persimmon bar

A cheap persimmon bar

The right ingredient, in the wrong quantity. Most bars on the shelf carry a trace of persimmon for the label and a heavy fragrance to cover the tannin. You bought the idea of the thing without the working part of it.

TREDWLL sec s18 attempts section v2
Grease doesn't come off a pan with water alone.

Grease doesn't come off a pan with water alone.

That is the whole mechanism, and it is why nothing you have tried so far has worked. 2-nonenal is an oil. Ordinary soap is built to lift water-soluble soil. You can scrub all day with the wrong agent and the film stays exactly where it is — what you need is something that binds to it.

  • How persimmon tannins work
  • Tannins bond to the 2-nonenal molecule on contact with the skin
  • The bound compound lifts away in the lather instead of staying behind
  • Nothing is added on top — there is no fragrance doing the work

Same shower. Same routine. Only the bar changed.

We didn't invent a founder. We read what people wrote.

We didn't invent a founder. We read what people wrote.

TREDWLL didn't start with a chemist and a story. It started with a stack of three thousand reviews of the persimmon soaps already on sale, read one at a time, including the bad ones — especially the bad ones.

Three complaints came up over and over. The bar smells too strongly of perfume. It leaves skin tight and dry. And you can never tell whether it is doing anything.

So the fragrance came out, coconut oil and glycerin went in, and we put the pillowcase test on the page instead of burying it — because a product you cannot verify is a product you stop re-ordering.

That is why there is no subscription here, and no auto-ship. You come back when it works.

Bought for a husband
Bought for a father
Bought for a mother
Bought after being told
Bought after the laundry failed
Bought because of the pillowcase
One bar, one month
Bought for a husband
Bought for a father
Bought for a mother
Bought after being told
Bought after the laundry failed
Bought because of the pillowcase
One bar, one month
Bought for a husband
Bought for a father
Bought for a mother
Bought after being told
Bought after the laundry failed
Bought because of the pillowcase
One bar, one month
Bought for a husband
Bought for a father
Bought for a mother
Bought after being told
Bought after the laundry failed
Bought because of the pillowcase
One bar, one month

What actually changes, and when.

The tell is never your own nose. It is something outside you that stops happening.

DAY 1

Check the pillowcase first

Before you start, look at your pillowcase after three nights and note what you see — the faint yellow mark where the head and neck rest. That is your baseline, and it is the only honest measurement this problem allows. Do not expect to smell anything change. You won't, ever.

WEEK 2

The room stops announcing you

This is where most people report the change, and almost never from their own nose. Somebody stops opening a window. A grandchild stays on the lap. The person who bought it for you quietly stops worrying about it. You will likely be the last to know.

WEEK 3

Look at the pillowcase again

This is the check that matters, and the reason to wait three weeks before judging. The mark is fainter, or it is gone. If it hasn't moved at all, the bar isn't working for you and we would rather refund you than have you keep buying it.

WHAT WON'T CHANGE

The part we won't sell you

This is soap. It will not do anything for an odor coming from an infection, a wound, uncontrolled diabetes or a medication — and those exist. If the smell is sudden, sharp, or coming from one specific place on the body, that is a conversation for a doctor, not a bar of soap.

TREDWLL sec s21 timeline section v2

Six ingredients. The list is the whole list.

Scroll through the formula.

TREDWLL sec s22 components i1 kaki

Fermented Persimmon (Kakishibu)

The working ingredient. Tannins from fermented persimmon bind to 2-nonenal and carry it off the skin in the lather. Concentrated, not a trace amount added for the label.

TREDWLL sec s22 components i2 coco

Coconut Oil

The counterweight to the tannins. Astringency is what makes cheap persimmon bars leave skin tight — this is what stops that happening.

TREDWLL sec s22 components i3 glycerine

Vegetable Glycerin

A humectant: it draws water back into the skin while the bar is cleaning. Mature skin holds less moisture to begin with and does not forgive a stripping bar.

TREDWLL sec s22 components i4 the vert

Green Tea Extract

Antioxidants that slow the lipid oxidation forming new compound. The tannins deal with what is already there; this works on what comes next.

TREDWLL sec s22 components i5 charbon

Activated Charcoal

Binds residue at the skin surface so it rinses away rather than resettling. It is also what gives the bar its color — there is no dye in it.

TREDWLL sec s22 components i6 karite

Shea Butter

The barrier left behind after rinsing. It is the reason the bar can be used daily on the neck and chest without the skin tightening by week two.

The one thing nobody in your life will ever tell you.

The one thing nobody in your life will ever tell you.

Someone will tell you there is spinach in your teeth. Someone will tell you your fly is down, that your shirt is marked, that you've been talking too loudly.

Nobody will tell you this. Not your friends, not your colleagues, not the people who love you most — because there is no version of that sentence that doesn't wound, and everybody knows it.

So they open a window instead. They shorten the visit. They hug from a little further back. And you never find out why, because the one signal that would explain it is the one signal that never reaches you.

This is not a hygiene failure and it is not a character failure. It is an oxidized lipid with a name, and it comes off with the right bar of soap.

You are not dirty. You are 60.

Not all persimmon soapsare built the same.

Not all persimmon soapsare built the same.

Persimmon is on a lot of labels now. What differs is how much of it is in the bar, and what has been added to cover the taste of the tannin. Here is the honest comparison.

TREDWLL
TREDWLL
Concentrated, unscented
$5–12 persimmon bars
$5–12 persimmon bars
Trace amount, heavy fragrance
Ordinary soap
Ordinary soap
Built for a different soil
Binds and removes 2-nonenal
Enough tannin to act, not just to label
No synthetic fragrance covering it
Leaves mature skin comfortable
A way to verify it is working
30-day money-back guarantee
What it actually costs
$13.33 a month Cheap, then again Cheapest, no effect
You've already spent more than this trying to fix it.

You've already spent more than this trying to fix it.

The odor-eliminating detergent. The oxygen booster. The fabric spray for the mattress. The second bottle of cologne. Call it eighty dollars a year, and every one of those was aimed at a place the compound isn't.

Some people get as far as a quote on a new washing machine. One of our buyers wrote it in her review: she was days from ordering one when she worked out it had never been the machine.

This is $13.33 a month in the three-pack, and it replaces the bar of soap you were already buying. It is not an addition to the budget. It is a substitution in it.

Straight answers, before you order.

The questions people actually ask about this, answered plainly — including the two we'd rather you asked before buying than after.

How will I know it's working if I can't smell it on myself? +

You won't, from your own nose — and neither will anyone living with you after a week or so, because the nose adapts. So use the pillowcase. 2-nonenal is an oil and it leaves a faint yellow, slightly greasy mark where the head and neck rest overnight. Note what yours looks like after three nights now, and look again after three weeks. That is the measurement. It is the only one this problem offers, and it is the reason we tell you to wait three weeks before judging.

How long before there's a difference? +

Most people report a change within 7 to 10 days of daily use, and the reports almost never come from their own nose — they come from somebody else's behavior changing. The compound accumulates in skin oil over time, so it clears over time too. Three weeks is the fair test, which is why the guarantee runs 30 days and not 14.

Is this for men or for women? +

Both. Lipid oxidation is not sex-specific and the research isn't either. What differs is who buys it: roughly half our orders are placed by someone for another person in the house — a husband, a father, a mother. If that is you, the review from Sally F. further up this page is the one to read.

What does it smell like? +

Almost nothing. A faint clean, slightly earthy note that rinses away with the lather and leaves nothing on the skin. This is deliberate and it is the single most common complaint about this category — a heavily perfumed bar puts you back where you started, with two smells in the room instead of one.

Will it dry out my skin? +

It shouldn't. Tannins are astringent on their own, which is exactly why cheap persimmon bars leave skin tight, and the formula is built around offsetting that with coconut oil, glycerin and shea. If your skin is very dry or very thin, use it on the torso, back and neck — where the compound actually collects — and keep your usual gentle cleanser for the face.

Can I use it on my face and hair? +

On the face, yes, if your skin tolerates it — patch-test on the jaw first and skip it if you use a prescription retinoid or acid. Not on hair; it isn't formulated as a shampoo and the tannins will leave it feeling stripped. The compound concentrates on the upper back, chest, neck and behind the ears, so that is where the time is worth spending.

How long does one bar last? +

About a month with daily full-body use, or roughly half that if two people share one. Keep it on a draining dish rather than sitting in water and it lasts noticeably longer — a bar left in a pool of water is the most common reason people think they got a small one.

Am I signing up for anything? +

No. There is no subscription, no auto-ship and no account to cancel. You buy bars, we send bars, and when you want more you come back. We made that choice after reading what people wrote about the alternatives.

What does shipping cost? +

Free over $35, which the three-pack clears. We ship from our US warehouse and dispatch same business day on orders placed before 2pm ET. Most US addresses have it in 3 to 5 days, tracked from the moment it leaves.

What if it doesn't work for me? +

Email us within 30 days and we refund you in full. You do not need to send the bar back and you do not need a reason. We would rather refund you than have you order a second time on hope — this doesn't work for everybody, and an odor that is sudden, sharp or coming from one specific spot is a conversation for a doctor rather than a bar of soap.

TREDWLL sec s26 faq la barre v2