Thanks to the science-backed hack, she added that users would never need to re-apply.

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Rashida (@skinthusiast_pa) shared the beauty tip in an Instagram video.

“Do you feel like your perfume just doesn’t last?” she asked.

“This hack is about to be your best friend. Say hellooo to Vaseline.”

With a $2 tube of Vaseline petroleum jelly, she dabbed some on the insides of her wrists and behind her ears.

“Apply a thin layer of Vaseline to your pulse points before spritzing your favorite perfume,” she said.

After applying her perfume to the same spots, Rashida was set and locked in for the entire day.

The trick was science-backed, she explained, thanks to Vaseline’s occlusive properties.

“When applied to the skin, it forms a thin barrier that seals in moisture and prevents water loss through evaporation,” she said.

“The same barrier applies to fragrance molecules.”

Without Vaseline, fragrance molecules normally evaporate and the scent tapers off.

“When Vaseline is applied beforehand, it helps slow down the evaporation process,” she said.

The jelly helps grab onto the fragrance molecules, preventing evaporation.

“As a result, the fragrance molecules stay concentrated on the skin for a longer period of time, prolonging the scent’s duration,” she added.

“Say goodbye to constant touch-ups and hello to a fragrance that’ll last from morning to night, who doesn’t want that?”

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