Four clear glass bottles arranged together, symbolising common perfume myths and misconceptions worth examining

Yes, there’s some truth to it — a thin layer of petroleum jelly on pulse points before spraying can act as an occlusive base that slows evaporation, so the scent tends to last a little longer, even though it isn’t a scientifically tested technique.

Why it seems to work

Petroleum jelly sits on the skin rather than absorbing into it, which gives fragrance molecules something to cling to instead of evaporating straight off warm, dry skin. This is the same logic behind moisturising unscented lotion before applying perfume, which is a more widely recommended version of the same trick. It’s an old market-stall tip more than a lab-proven method, so treat it as a genuine but informal hack rather than settled fact.

A few honest caveats

  • A little goes a long way — too much Vaseline can feel greasy and may slightly mute the top notes
  • It works best on dry pulse points like wrists and neck, not over clothing
  • It won’t rescue a fragrance with genuinely poor longevity, it just extends what’s already there

It’s also worth noting this trick tends to help most with lighter eau de toilette formulas that fade quickly; a genuinely long-lasting parfum concentration won’t need much help at all.

For a fuller picture of what actually affects how long a scent lasts, see our guide to perfume longevity and projection, and our complete guide to perfume if you want the basics of how fragrance is built in the first place.