A Fragrance Expert Just Told Me Why My Perfume Never Lasts Long

Shopping for perfume might at first seem like an easy task—you pick and choose based on what smells good, right? But in actual fact, there's a lot more to consider when it comes to finding a new fragrance. From the sillage of a perfume to its longevity, the time of year it's best suited to, its top, heart and base notes, and even the perfumer behind the fragrance, perfume shopping is much more complex than you might think.

Indeed, there's a whole host of fragrance jargon that you'll probably want to get clued up on before you even start. For example, perfume experts will urge you to consider the aforementioned sillage (the trail or "wake" that a perfume leaves behind you) and longevity (how long it lingers on your skin). It's also worth brushing up on your "fragrance families" (for example, floral, aquatic and woody), as this is a good way to figure out which individual notes you're most drawn to.

And arguably, the biggest thing to consider is the difference between eau de toilette and eau de parfum. Although this is usually indicated on the front of a perfume bottle, it's something a lot of people miss entirely, and it makes a big difference to both the sillage and longevity of your fragrance.

With the help of fragrance expert and founder of Ellis Brooklyn Bee Shapiro, we've answered all your questions about eau de toilette versus eau de parfum.

What Is Eau de Toilette?

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(Image credit: @MOBINAPEIMAN)

Fragrances are made up of a blend of scented oils, alcohol and water. The scented oils would be too intense and overwhelming to wear on their own, so water and alcohol are added to help create a more wearable and less intrusive scent. "Although there are no formal 'rules' for this, you generally find that an eau de toilette contains 10-15% scent in the formula," says Shapiro. This results in a fragrance that is quite light and fresh, so eau de toilettes make for good everyday perfumes. 

What Is Eau de Parfum?

Like eau de toilette, eau de parfum is made up of a blend of scented oils, alcohol and water, but the concentration of scent is higher, resulting in a stronger fragrance. "The general rule of thumb is that an eau de parfum contains 15-20% scent," explains Shapiro. "Some high quality eau de parfums also reach 25% in scent concentration."

What Is the Difference Between Eau de Toilette and Eau de Parfum?

"The main difference is the scent concentration," says Shapiro. "Eau de parfums will last longer purely because of the scent concentration, but also, your initial impression of the scent will be more memorable." This means that when it comes to applying your fragrance, you can apply an eau de parfum quite sparingly, whereas an eau de toilette will require a more generous application if you want to scent to make an impact.

"High-quality eau de parfums also have a lovely degree of complexity," adds Shapiro. You'll find that for this reason (and the increased amount of perfume oils in the formula), eau de parfums are usually more expensive than eau de toilettes. "Because eau de parfums are usually more complex and nuanced, they have this lovely qualitative and 'expensive' feel," she adds. "Eau de toilettes are very easy to wear, and it's difficult to overwhelm yourself with fragrance as the scent will wear off naturally—so with eau de toilettes it's a more light-hearted approach, and with eau de parfums it's a more artistic mindset."

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(Image credit: @NITSANRAITER)

Shop Eau de Toilette:

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(Image credit: @THATGRACEGIRL)

Shop Eau de Parfum:

Next Up: I've Done the Research—These Perfume Brands Generate the Most Compliments

Freelance Beauty Editor

Grace Day is a beauty editor and content creator. She has over 10 years of beauty-industry experience, spanning editorial, retail, and e-commerce, which gives her a unique understanding into how people shop for their beauty routines. While studying for a history degree (specialising in the history of beauty) and working as a beauty adviser in department stores, Grace started writing her own beauty blog in order to share the products she discovered while dealing with acne. After graduating, she moved to Beauty Bay as beauty editor and content manager. Grace is currently a beauty contributor to Who What Wear. She has also written for Hypebae and PopSugar and works as a brand consultant and copywriter.