Perfume

Opened perfume lasts 1 to 3 years, unopened kept cool and dark much longer. Once the scent turns sour, it is over.
Light and air turn the scent
Perfume does not spoil like a food, but it ages. The alcohol preserves the fragrance compounds for a while, but over time the delicate essential oils oxidise. Unopened and stored cool and dark, a perfume often keeps three to five years or longer; once opened it is usually one to three years.
Exactly how long depends on the composition. Heavy, spicy or woody scents (oriental notes, patchouli, vanilla) are more stable and keep longer. Light, fresh scents with lots of citrus and floral notes turn faster, because these top notes are especially volatile and prone to oxidation. A high fragrance-oil content (parfum or extrait versus eau de toilette) tends to extend shelf life.
The biggest enemies are light, heat and air. So perfume does not belong in the bright, warm bathroom but cool and dark in a cabinet or drawer — ideally in its original box. Spray atomisers keep better than open flacons with a stopper, because less air reaches the contents. Once the scent has turned, it smells sour, metallic or simply different from usual.
A look at colour and clarity helps too: a markedly darkened or cloudy liquid points to ageing. And the skin is the final test — aged perfume can be more likely to cause irritation or redness than a fresh scent. When in doubt, test sparingly on a small patch of skin before spritzing generously.
How do I spot turned perfume?
An aged scent shows through nose, eye and skin:
The scent smells sour, metallic or clearly different from before — the clearest sign.
The liquid has visibly discoloured or turned cloudy.
Aged perfume can be more likely to cause redness or irritation — then stop applying it.
Shelf life at a glance
Storage and scent family set the window:
| State | Shelf life |
|---|---|
| Unopened, cool/dark | 3–5 years and more |
| Opened (general) | 1–3 years |
| Heavy/woody scents | keep longer |
| Light citrus/floral scents | turn faster |
Use longer & care
This keeps perfume fresh longest:
Store cool and dark — a cabinet or drawer instead of the bright bathroom.
Use the original box — extra protection from light.
Seal tightly — less air contact, less oxidation.
Keep it out of warmth — heat and temperature swings speed up ageing.
Common myths
A few myths surround perfume:
No — opened usually one to three years, then the scent can turn.
Cool, yes, but temperature swings when taking it out harm it; a cool, dark cabinet is enough.
Precisely not — the warmth, light and humidity there age it faster.
A turned perfume need not go straight in the bin: as long as it does not irritate the skin, it can still scent drawers, laundry or textiles. On the skin, though, it is better to wear only an intact, fresh scent. A tip for collectors: if you own several bottles and wear them rarely, buy smaller sizes or eau de toilette rather than large extrait flacons, as a rarely used perfume ages on the shelf long before the bottle is empty.