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EDT vs EDP vs Parfum: The Actual Difference

Concentration, longevity, price-per-wear — the honest answer to EDT vs EDP, the myth that EDP is always stronger, and which to buy for your use case.

Reviewed & edited by Mr. Gauge

The short answer

The difference is the concentration of fragrance oil. Eau de toilette (EDT) runs roughly 5–15% oil and lasts about 3–6 hours; eau de parfum (EDP) runs roughly 15–20% and lasts 6–10 hours; parfum (extrait) runs 20–30%+ and can last past twelve. Higher concentration usually means quieter projection but longer life — and a higher price that often works out cheaper per wear.

Concentration, longevity and sprays, by format FIG · CONCENTRATION SCALE OIL % SETS LONGEVITY FORMATFRAGRANCE OIL — % OF FORMULALASTSSPRAYS EDC 2–4% ~2HGENEROUS EDT 5–15% 3–6H3–5 EDP ★ 15–20% 6–10H2–3 PARFUM 20–30%+ 12H+1–2 0% → 30%+ (BAR SCALE) ★ THE DAILY DEFAULT HIGHER CONCENTRATION ≠ LOUDER — IT MEANS QUIETER PROJECTION, LONGER LIFE, CHEAPER PER WEAR
Fig — what the letters buy: oil, hours, and sprays to use

What the letters actually change

Concentration changes three things: longevity (how long it lasts on skin), projection (how far it travels), and character. That last one surprises people: the same fragrance in EDT and EDP is often a different composition, not just a stronger pour. Houses rebalance the formula at each concentration — the EDT frequently pushes the bright opening; the EDP deepens the base. If you loved a fragrance in one concentration, sample the other before assuming.

The myth worth killing

“EDP is always stronger.” Not reliably. A powerful EDT can out-project a soft EDP; concentration sets longevity better than it sets loudness. Judge each fragrance individually — this is precisely why aggregated owner longevity data beats the label.

The price-per-wear logic

Parfum looks expensive per bottle and is usually cheapest per hour of scent. A rough model: if an EDP costs 40% more than the EDT but lasts twice as long on skin, you’re using fewer sprays for more hours — the math favors the higher concentration for anyone wearing fragrance daily. Buy EDT for hot-weather freshness and generous re-spraying; buy EDP as the daily default; buy parfum for signature scents you’ll wear for years.

Which to buy, by use case

The office: EDP, 2 sprays. Longevity through the workday, projection that stays inside your arm’s length.

Summer: EDT. Heat amplifies everything; light concentrations are a feature, not a weakness.

Evenings and winter: EDP or parfum. Cold air kills projection; concentration compensates.

Trying a new scent: always the smallest size or a decant, in the concentration you’d actually wear.

Edge cases, answered

Does eau de cologne mean cologne?
In technical terms, eau de cologne is its own light concentration (2–4%). In American usage, cologne just means men's fragrance. Context tells you which.
Do higher concentrations expire slower?
Shelf life depends more on storage than concentration: cool, dark, capped. A wardrobe drawer beats a bathroom shelf by years.
How many sprays?
EDT 3–5, EDP 2–3, parfum 1–2. To skin, not clothes — fragrance is engineered for body heat.

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