
Damp carpet and old coffee. That is how a perfumier might have described the “top notes”—industry speak for the initial olfactory experience—at SIMPPAR, the annual fragrance-ingredient expo held this month in Paris. It is where vendors from Sicilian dynasties to Japanese chemical firms gather to showcase their ingredients. Some are natural. The centifolia rose, a beautifully pungent pink flower harvested at dawn, at its peak potency, makes for excellent marketing material. Less romantic but highly lucrative are the synthetic ingredients. These molecules allow their makers to isolate specific smells, spare the animals once killed for their secretions and give fragrances staying power.
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