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◆ Japanese persimmon tannin · 100% fragrance-free

I didn't think it would work.
Then the musty-vinegar smell just stopped.

TanniBar persimmon tannin soap bar and box with persimmon fruit and leaves

You can't scrub it off, and stronger deodorant only adds a second smell on top. That's because it isn't sweat — it's nonenal, and ordinary soap was never built to remove it. TanniBar's persimmon tannin binds it in the shower and rinses it away. Unscented. Unmarked. Nothing on the box says what it's for.

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★★★★★ Rated 4.8/5 by 2,400+ people who couldn't find the words
★★★★★ 2,400+ happy customers Japanese persimmon tannin Free discreet shipping 30-day money-back guarantee 100% fragrance-free Nothing on the box ★★★★★ 2,400+ happy customers Japanese persimmon tannin Free discreet shipping 30-day money-back guarantee 100% fragrance-free Nothing on the box

Real people, real relief

Mostly they say nothing happened. That's the point.

★★★★★
4.8 out of 5 · based on 2,400+ verified reviews  ·  drag to explore ↔
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Here's where it shows up

Four places people notice it first.

Nonenal doesn't live in the armpits. It settles into fabric and enclosed air — which is why the people around someone notice it long before they do.

Empty car back seat in late afternoon light
The car — twenty minutes with the windows up, and you find yourself reaching for the button without thinking about it.
Slept-in pillow and folded collared shirt in morning light
Pillows and collars — it concentrates in fabric overnight. It's usually the first thing anyone actually smells.
A just-vacated armchair with a folded cardigan
The room they just left — the chair, the cardigan, the still air. You notice it before they've even reached the hall.
An older father and his adult daughter hugging
The hug — the half-second early release nobody mentions, and nobody on either side ever forgets.

Illustrative images of the everyday situations TanniBar is made for. Not customer photos; individual results vary.

Why it works when nothing else did

5 reasons people choose TanniBar

1

It takes a smell away instead of adding one

Perfumed body wash doesn't remove nonenal — it sits on top of it, and you end up with two smells instead of one. Persimmon tannin binds the nonenal molecule itself, so it leaves with the water. Nothing to cover, so nothing is covering it.

2

Nothing on the box says what it's for

You can't leave a bar called Grandpa Stinks in someone's shower. TanniBar arrives in plain packaging — no window, no "odour" on the label, no clue on the shipping box. It looks like a nice bar of soap, because that's all it ever needs to look like.

3

Made for skin that's already thin and dry

Tannins are astringent — that's why most persimmon bars leave you tight and itchy an hour later. TanniBar is cut with glycerin and shea butter and kept fragrance-free, so it clears the odour without stripping skin that's already lost some of its oil to age.

4

One bar is still there at the end of the month

The loudest complaint in this category isn't that the soap doesn't work — it's that the bar turns to mush in a fortnight and you're reordering before you've seen a result. TanniBar is triple-milled and hard-pressed for a full month of daily showers.

5

You'll actually know it's working

Nobody can smell themselves, which is why most people quit on day nine. Every box includes the 14-day pillowcase check — one card that shows you exactly how to confirm the nonenal is gone. If it isn't after 30 days, keep the bars and we'll refund you.

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Six ingredients. No fragrance.

What's actually in the bar

Most "odour" soaps are a cleanser plus a perfume. This one is a cleanser plus a binder — and the rest of the list exists to stop that binder from drying you out.

1

The tannin binds

Persimmon tannin is a large polyphenol with dozens of binding sites. In the lather it latches onto the nonenal sitting on your skin and locks it into a complex.

2

The soap lifts

The saponified oil base lifts the oxidised sebum that the nonenal formed in — the residue ordinary washing leaves behind to keep oxidising.

3

The water takes it

Both go down the drain together. Nothing is left on the skin to smell, and nothing has been sprayed over the top of it.

Ripe persimmons on the branch
The active

Persimmon Tannin

Diospyros kaki — kakishibu

Pressed from unripe astringent persimmons and aged, exactly as Japanese dyers and sake brewers have done for a thousand years. Kakishibu was traditionally used to deodorise cloth, rope and fishing nets long before anyone had isolated the molecule it was working on.

That molecule turned out to be 2-nonenal. Persimmon tannin's phenolic groups bind to its aldehyde structure, which is why it removes the smell rather than layering another one on top. It is the reason this bar exists; everything else on this page is here to support it.

Fresh green tea leaves

Green Tea Leaf Extract

Camellia sinensis

Catechins — another family of polyphenols — give a second, gentler line of attack on odour compounds, and calm skin that's just been through an astringent wash. The reason nearly every Japanese deodorising bar pairs tea with persimmon.

Second binder
Water droplets

Vegetable Glycerin

Glycerin

A humectant that pulls water into the top layer of skin. This is the ingredient that answers the single loudest complaint about persimmon soap — that it leaves you tight and itchy an hour after the shower.

Anti-stripping
Shea nuts and butter

Shea Butter

Butyrospermum parkii

Fatty acids and unsaponifiables that rebuild the skin barrier as you wash. Skin over sixty has already lost some of its own lipids; this replaces a little of what the cleanser takes.

Barrier repair
Coconut and palm oil

Saponified Coconut & Palm Oil

Sodium cocoate · Sodium palmate

The soap itself, triple-milled and hard-pressed. The hardness isn't cosmetic: a dense bar is what stops it slumping into a puddle in a fortnight, which is the reason most people quit before they've seen a result.

The base
Sunflower seeds

Vitamin E

Tocopherol

An antioxidant, and an unusually on-topic one: nonenal is itself a product of lipid oxidation. Tocopherol slows that oxidation on the skin surface and keeps the bar's own oils from going off in the shower.

Antioxidant
A glass of clear water

Water

Aqua

And that's the whole list. No parfum hiding at the bottom under a single word, no "fragrance-free" that turns out to mean masking agents instead. Six ingredients you can pronounce and one you can't spell.

The rest

What we left out, on purpose

Every one of these is standard in the body-odour aisle. Every one of them is a reason someone's skin, or someone's cover story, stops working.

  • × Fragrance / parfum
  • × Aluminium salts
  • × Parabens
  • × SLS & SLES
  • × Synthetic dyes
  • × Triclosan
  • × Phthalates
  • × Skin-lightening agents

Full INCI: Sodium Palmate, Sodium Cocoate, Aqua, Glycerin, Diospyros Kaki (Persimmon) Fruit Extract, Butyrospermum Parkii (Shea) Butter, Camellia Sinensis (Green Tea) Leaf Extract, Tocopherol, Sodium Chloride, Citric Acid.
Cruelty-free. Vegan. Made without fragrance of any kind.

Try It For 30 Days — 50% Off Keep the bars even if you ask for a refund

Before you decide

Questions, answered straight

What actually is nonenal?
It's 2-nonenal — a compound the skin starts producing in larger amounts from around 40, when the fatty acids on the skin's surface oxidise faster than they used to. It's chemistry, not hygiene, which is why scrubbing harder and showering twice a day never fixes it, and why the person it's happening to almost never notices. Ordinary soap and deodorant aren't built to remove it. Persimmon tannin is one of the few things that binds it.
Will they know what it's for?
Not unless you tell them. There's no odour language anywhere on the bar, the box, or the shipping label — no window, no "for body odour", nothing. It reads as a plain, slightly nice bar of soap sitting in a shower. That's deliberate, and it's the single most common reason people choose this one.
Does it smell like anything?
No, and that's the point. Fragrance is what most of this category gets wrong: perfume doesn't remove nonenal, it just layers a second smell on top of it, which is usually worse. TanniBar is completely unscented, so it won't clash with cologne, laundry detergent, or anyone's sensitivities.
How long before it works?
Most people see a clear change between day 10 and day 21 of daily use. It isn't instant, because you're clearing oxidised residue that's been building for a while rather than spraying over it. Every box includes the 14-day pillowcase check so you have an actual way to tell — instead of guessing, which is where most people give up too early.
Why doesn't it lather much?
Because it isn't loaded with the foaming agents that make commercial soap feel dramatic — there's no SLS in it at all. Lather is theatre; it has nothing to do with whether the tannin is doing its job. New buyers do sometimes read low foam as "not working," so we'd rather tell you now: work it with a cloth, give it two weeks, then judge it.
My skin is dry and sensitive. Is this too harsh?
Tannins are naturally astringent, which is exactly why so many persimmon bars leave people tight and itchy. TanniBar adds glycerin and shea butter and skips fragrance entirely to offset that, and it's made for daily use on mature and sensitive skin. If you have an active skin condition, check with your doctor first — and if it doesn't agree with you, the 30-day guarantee covers it.
How long does one bar last?
Around a month of daily full-body showers for one person. It's triple-milled and hard-pressed specifically so it doesn't slump into a puddle in a fortnight — the loudest complaint about every other bar in this category, and the reason people quit before they see a result. Most customers subscribe so they never run out mid-routine. Cancel anytime.
How does it ship, and what's the guarantee?
Shipping is free, in plain packaging with no branding or product description on the outside. Orders typically ship within 1–2 business days. Use it for 30 days: if the smell hasn't changed, email us, keep the bars, and we'll refund you in full. You don't need to post anything back.

The kindest thing you can do is nothing

Put it in the shower. Say nothing.

In two weeks you'll stop noticing. They'll never know there was anything to notice in the first place. Your first set is 50% off today.

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