Japanese Pepper

Note Profile

Botanical 1 perfume

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About

Japanese pepper is sansho, the fruit of Zanthoxylum piperitum. It is a citrus note before it is a spice note. Trade descriptions say 'bright, citrusy, with a green-peppery edge', 'more citric than black pepper, less hot than chili', and 'a refreshing aroma like citrus fruits', and compare the aroma to that of lemongrass. A minty, tingling lift runs under the citrus. The numbing that sansho is famous for is a taste effect, not a smell.

Also Known As

Sansho Pepper

Scent Profile

Japanese pepper, or sansho, smells like citrus before it smells like spice, closer to lemongrass and lemon-lime brightness than to black pepper. A peppery, spicy edge sits behind the citrus, milder and more citric than typical pepper. A cooling, minty, tingling lift runs underneath, sharper and fresher than most spice notes. A green, herbaceous edge and a lemongrass-like herbal note round off the top.

ScentWheel

Breadthmedium

EnvelopeTop · ~2h lasting

Family Fresh & Citrus, Spicy

Read off the wheel, not a label applied to the note.

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Origin

Zanthoxylum piperitum, a Japanese rutaceous shrub, not a Piper and not related to black pepper. The note is the fruit, used green or ripe. Marc Winer records the difference: green sansho picked in May is 'more lemony', red sansho harvested after summer 'displays grapefruit notes'. Ogawa, a Japanese flavour and fragrance manufacturer, sells sansho as a material and calls its aroma refreshing and citrus-like.

Usage in Perfumery

Measured 2026-08-23: 6 Fragrantica placements, filed under Spices, and none on Parfumo. Use it where a peppery top note has to be bright rather than hot. The published sichuan-pepper note is the nearer relative and the two are not interchangeable: Premiere Peau's own glossary calls Z. bungeanum 'earthier, woodier, with more sesquiterpene presence' and places Japanese sansho as 'bright, herbaceous, cleanly spicy'.