Most spices in perfume aim to smell warm or sweet. Cumin aims to smell like a person. It is the same seed that flavours curry and chilli, distilled from the plant Cuminum cyminum, and on skin it does something no flower can. It smells like warm, bare skin.
The effect comes down to dose. Cuminaldehyde makes up roughly a quarter to a half of cumin seed oil, and its molecules are close in shape to some of the compounds the body gives off in sweat. Kept faint, cumin reads as warmth and intimacy, the scent of someone standing close. Turned up, the brain swaps the label from skin to body odour.
This is where it gets divisive. Cumin is one of the most polarising materials in perfumery. Some people find it filthy. Others find it magnetic, precisely because it smells alive rather than manufactured. Perfumers reach for it when they want an animal warmth without using anything from an animal.
A handful of fragrances made their name on it. Cartier's Declaration, from 1998, is often called the modern reference for cumin. Alexander McQueen's Kingdom, from 2003, pushed the note so hard it became infamous. Rochas reworked its classic Femme around cumin, so it smoulders under peach and oakmoss. Le Labo's Rose 31 threads it through a rose so the result reads unisex rather than pretty.
One caveat. Cumin is not a beginner's note, and it behaves differently on different people. Skin chemistry, heat and how much you spray all move it along the line between inviting and off-putting. If you are testing it, use one pump and wait, do not drench yourself and hope.
Handled with a steady hand, cumin is what gives a fragrance a pulse.
If you want to smell cumin done well, our Rose No. 31, our take on Le Labo Rose 31, opens on exactly that rose-and-cumin tension in a UK-made 35% spray. It sits with the rest of the Le Labo collection.