Cold air is the opposite of heat: it suppresses the release of scent molecules, so fragrances project less and seem to fade faster. That is why the heavy families finally make sense from November onward.
What works
Orientals and ambers — resins, vanilla, warm spices. This is their season, and the cold keeps them from becoming overwhelming.
Gourmands — coffee, caramel, chocolate. Cosy rather than cloying when it is cold.
Woods — sandalwood, cedar, oud. Warm and grounding.
Spicy — cinnamon, clove, cardamom.
Leather and tobacco — the darkest options, best in deep winter.
Incense and resinous — cold air suits smoke particularly well.
What to shelve
Light citrus and aquatics tend to vanish in cold. They are not wrong, just inaudible — the molecules that make them bright are exactly the ones the cold suppresses.
If you love a fresh fragrance in winter, look for citrus with a woody or amber base rather than a pure cologne.
Making fragrance last in cold
Apply to warm skin, straight after a shower, before dressing. Warmth is what releases fragrance, and skin that is already cold releases very little.
Pulse points matter more — wrists, neck, behind the ears, the base of the throat. Anywhere blood runs close to the surface.
Apply to clothing, particularly scarves and coat collars. Fabric holds fragrance for days, and a scarf near your face keeps the scent perceptible in a way skin cannot when you are wrapped up.
Moisturise first. Winter skin is drier, and dry skin holds fragrance poorly. An unscented body lotion under your fragrance genuinely extends it.
Choose higher concentrations. Eau de parfum over eau de toilette.
The indoor problem
You will be moving between freezing streets and heated rooms all day. A fragrance calibrated for outdoors can be too much indoors — heated interiors behave like summer.
The practical answer is to apply for the indoor environment, since that is where you spend most hours and where other people are closest to you.
Layering
Winter is the season where layering works best: an unscented or lightly scented body product, then the fragrance. The base slows evaporation, which is precisely what cold-weather wear needs.
For the families named above, see the perfume section.