Ever noticed how some perfumes leave a noticeable trail while others stay closer to the skin? This effect, known as sillage, is largely influenced by the volatility of the fragrance molecules and their concentration within the formula. Perfumes with higher concentrations of less volatile molecules—often found in base notes like amber, vanilla, or musk—tend to linger longer in the air, creating a more pronounced and enduring sillage.
In contrast, fragrances composed of lighter, more volatile top notes such as citrus or florals tend to evaporate quickly, leaving behind a softer, more intimate trail. These more volatile compounds disperse swiftly, making them less likely to create a long-lasting presence.
By understanding the chemistry behind these interactions, perfumers can carefully balance the formula to achieve the desired effect—whether it’s a bold, lingering fragrance that turns heads or a subtle scent that remains closer to the wearer.
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