Diospyros Kaki tannin
Fermented persimmon extract — the active that binds 2-nonenal. It's on the label.
★★★★★ 2,314 Reviews
The Persimmon Soap
Neutralises ageing odour (2-nonenal) at the source with real fermented Japanese persimmon tannin. Not masked with fragrance. Gone.
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100g bar. The original Japanese persimmon ritual. Real fermented Diospyros Kaki tannin that binds to 2-nonenal and breaks it down on contact instead of covering it with perfume. One bar lasts about a month with daily use on chest, neck, back and behind the ears.
Wet the bar, lather for 30 seconds and wash chest, neck, back and behind the ears. Rinse. Use daily. Change nothing else. Check your pillowcase after 3–7 days.
Sodium Palmate, Sodium Palm Kernelate, Aqua, Glycerin, Diospyros Kaki Fruit Extract, Camellia Sinensis Leaf Extract, Butyrospermum Parkii (Shea) Butter, Cocos Nucifera (Coconut) Oil, Sodium Chloride, Tetrasodium Etidronate.
Insured, tracked shipping is $9.99 per order. 5–8 business days. 30-day money-back guarantee — email hello@sawumi.com, no return needed.
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Learn Morewhy we love it
neutralises, doesn't mask
Kakishibu tannin binds to 2-nonenal and breaks it down on contact.
pillowcase-fresh in 3–7 days
Most customers notice linen and collars first.
gentle on over-50 skin
Fragrance-light, pH-balanced, safe for face and sensitive skin.
one bar, one month
Daily use on chest, neck, back and behind the ears.
Real kaki extract
pH-balanced
Sensitive-skin safe
30-day guarantee
Cruelty-free
Soap That Works At The Source
Deodorants layer scent on top of nonenal. Fermented persimmon tannin dismantles the molecule.
The pillowcase test
2-nonenal builds up in fabric as a yellowish, greasy film laundry can't beat. When it stops arriving, linen stays fresh.
The collar test
That ring that never washes out isn't dirt. Neutralise oxidised skin lipids at the source and it stops coming back.
Made for Beautifully Mature Skin
Neutralises ageing odour, not you.
From around 50, skin lipids oxidise into 2-nonenal. Regular soap slides over it. Kakishibu binds and breaks it down.
Gentle enough for face and household.
One bar for chest, neck, back and behind the ears. Fragrance-light so it won't fight your perfume or his aftershave.
The Kakishibu Complex
A Japanese fermented persimmon tannin, pressed into a rich, non-drying bar with green tea catechins and a shea–coconut base.
Green tea catechins
Antioxidant support that sits alongside the tannin, not instead of it.
Shea & coconut base
Rich lather that doesn't strip over-50 skin.
pH-balanced
Gentle enough for the face. Patch-test on the inner arm if you prefer.
“My daughter hugged me and said ‘Mum, you smell lovely’ for the first time in years. I cried in the kitchen.”Margaret H. · Verified buyer
frequently asked questions
From around age 50, skin lipids oxidise into 2-nonenal. It has a greasy, grassy scent, clings to skin and fabric, and ordinary soap can't break it down.
It contains real fermented persimmon tannin (Diospyros Kaki Fruit Extract). The tannin binds to 2-nonenal and neutralises it instead of masking it with fragrance.
Most customers report the pillowcase difference within 3 to 7 days of daily use.
Yes. Fragrance-light, pH-balanced, gentle enough for the face. Patch-test first if you prefer.
Email us within 30 days of delivery and we refund in full. You don't need to post anything back.
The Persimmon Soap
3 Bars
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