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Billie Eilish‘s eau de parfum “Eilish” is currently on sale for Amazon Prime Day.

The full size of the “Lovely” singer’s namesake scent endeavor, which came out back in 2021, is currently 40% off its original price. The 3.4 Fl Oz bottle retails for $46.80, while the travel size at 0.33 Fl Oz is $18.20. No matter the size you choose, the fragrance is still the same. You get an amber gourmand with notes of sugared petals, creamy vanilla and warm musks. The scent is meant to serve as an appreciation of the human body.

“Perfumes have been one of my greatest joys in life, and I’ve always wanted to make one,” the seven-time Grammy winner said in an interview with Vogue back in 2021 following the perfume’s release. “And not as Billie Eilish, not as an artist, not as a singer; I wanted to make a perfume to have a perfume. It has nothing to do with me, I’m just branding it so that people see it.”

The 3.4 fluid ounce bottle depicts a faux gilded woman, while the mini is a glass tube with a black cap and atomizer. The gilded bust-esque packaging was created by NYC-based consulting agency Jon Michael Design. The silhouette of the bottle is modeled after the fluidity and curves of the female form.

To break it down for you, there’s a big difference in power and payoff when it comes to an eau de parfum versus a regular perfume. Perfume has a higher concentration of scent, around 20-40%, while an eau de parfum usually only has a scent concentration of 15-20%. If we want to get even more technical, an eau de parfum is stronger than an eau de toilette.

The strength of a scent and classification directly correlates with how long it will last on the skin. Usually, eau de parfums like Eilish will likely last up to four to eight hours, while a perfume, in contrast, lasts up to 12 hours. This fragrance is listed as a gourmand. To get even nerdier, a gourmand scent is one that features sweet and candied notes often inspired by desserts or general food fare. Think chocolate, cinnamon, vanilla, peppercorn, cotton candy, honey, croissants and milk. If that isn’t your thing, you likely won’t like this scent. You’ll likely want to keep all of this in mind before purchasing your next fragrance obsession.