Heat's Impact on Fragrance: Experts Advise on Summer Scent Selection and Storage

Summer's rising temperatures can significantly alter how fragrances perform on the skin, according to fragrance experts. Heat can accelerate the evaporation of perfume oils, potentially changing a scent's profile and reducing its longevity.

Chelsey Saunders, Director of Fragrance, Skincare and Haircare at Boots, notes that fragrance is highly sensitive to temperature fluctuations. "During periods of hot weather, heat can accelerate the evaporation of fragrance oils, which may alter how a scent smells over time and can impact its longevity," she stated.

Linda Pilkington, founder of Ormonde Jayne, elaborated on how different fragrance ingredients react to heat. Citrus notes like lemon and bergamot, due to their lighter molecular weight, can evaporate quickly above 28°C (82.4°F) if not expertly balanced within a formula. Conversely, heavier ingredients such as amber, resin, and woods tend to linger longer on the skin. Modern perfumery often utilizes synthetic molecules to enhance the natural oils' development throughout the day without becoming overpowering.

Humidity presents another challenge, increasing a fragrance's radiation on the skin but ultimately shortening its lifespan, according to Pilkington.

Application and Scent Selection

The impulse to reapply fragrance frequently in hot weather can be misleading, as a scent that seems to have faded to the wearer may still be perceptible to others. Pilkington emphasizes the difference between longevity and projection, defining projection as how far a fragrance travels from the skin. A perfume can last all day without being overwhelming to those nearby.

"In the warmer months especially, fragrance should feel luminous rather than overpowering," Pilkington advised. She suggests using an unscented body lotion as a base rather than layering multiple fragrances. Applying perfume to completely dry skin and refraining from rubbing it in are crucial steps, as rubbing can disrupt the delicate evaporation process and alter the scent's development.

While citrus notes are traditionally associated with summer, experts suggest exploring a wider range of scents. Pilkington favors notes such as ta'if rose, peony, freesia, tea, and tropical florals like jasmine sambac. Woody notes like cedarwood and sandalwood, when balanced with pepper, can offer a refreshing sensation without being overtly citrusy. Vetiver is also recommended for its earthy, refreshing quality.

Fragrance mists are highlighted as a suitable option for warmer weather, designed for reapplication throughout the day. Chelsey Saunders noted that body, fragrance, and hair mists are ideal for refreshing a scent without overwhelming the senses.

Storing Perfume

Proper storage is essential for maintaining a fragrance's integrity. Both experts recommend keeping perfumes in a cool, dry place, away from direct sunlight. Leaving bottles on sunny windowsills, in cars, or in warm bathrooms can negatively impact the fragrance.

Saunders suggests applying fragrance to cooler parts of the body, such as the lower neck, or even to clothing on particularly hot days. For maintaining a scent without it becoming overpowering, she recommends reapplying small amounts more frequently.