Funmi Fetto remembers when she first encountered a bottle of hair perfume, 10 years ago. She was the acting beauty director at British Vogue, and thought it was ridiculous: “Who on earth needs hair perfume?”
Plenty of people, it turns out. Hair perfume is one of the fastest growing categories in the $60 billion global fragrance industry, thanks to a perfect storm of the post-pandemic fragrance boom, a vogue for scalp-friendly formulations and relative affordability (hair perfume tends to…