One of the many hazards of writing about perfumes is that they’re not static objects. If you pick up a new bottle of Jean Couture Coriandre, what you’ll smell won’t be at all what I smelled when I first bought it in the late 1970s. It might not even be the same as what I smelled when I reviewed Coriandre a couple years ago, and found it to be an entirely different animal than the scent I remembered. The Coriandre you smell tomorrow, or next month, or next year, might have changed yet again.

This has obvious implications for anyone blogging about perfume or reading perfume blogs. When you read a perfume review, unless it’s about a perfume that launched recently, you can’t be sure that what you’ll smell in the stores is the exact same fragrance.

This article is meant as a very basic primer on reformulation, and most of what I’ll cover is well-known to seasoned perfumistas.

Perfumes get reformulated all the time, and they always have. Why? Well, there are any number of reasons. Sometimes companies substitute cheaper ingredients as a cost-saving measure…

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