How to Make Your Perfume Last Longer in Summer Heat: 8 Simple Habits
If your perfume seems to disappear by midday in July, you are not imagining it. Fragrance is made of aromatic materials that evaporate at different speeds, and heat speeds that evaporation up. Add sweat, frequent showers and dry skin, and even a good perfume can feel short-lived.
There is also a second effect: after a while, your nose simply stops registering a smell it is exposed to all the time. This is called olfactory adaptation. Your perfume may still be noticeable to the people around you even when you can no longer smell it, so the answer is rarely to spray more.

1. Apply after a shower, on moisturised skin
Fragrance holds better on hydrated skin than on dry skin. Apply an unscented moisturiser after your shower, let it settle, then apply your perfume.
2. Choose the right spots
Warm areas such as the sides of the neck, behind the ears and the inside of the elbows help the scent diffuse gradually through the day.
3. Don't rub your wrists together
It is a common habit, but rubbing disturbs the fragrance as it settles on the skin and can make it fade faster. Spray, then let it dry on its own.
4. Use your clothes, carefully
Fabric often holds a scent longer than skin does. A light mist on a scarf or the inside of a jacket can carry your fragrance for hours. Test on a hidden spot first, because some perfumes can mark delicate or light-coloured fabrics.
5. Hair: spray the brush, not the hair
Hair holds scent well, but the alcohol in most perfumes can dry it out. A light spray on your hairbrush, then brushing through, gives a softer trail.
6. Match the fragrance to the season
Fresh and citrus scents feel right in the heat, but citrus notes are among the first to evaporate. For longer wear, look for compositions with a solid base of woods, musks or amber. Concentration matters too: an Eau de Parfum usually contains more fragrance oil than an Eau de Toilette, although concentration is not the only factor in how long a perfume lasts.
7. Store it away from heat and light
Heat and light break down fragrance over time. In Egypt that means two places to avoid in particular: the car, which becomes extremely hot in summer, and a humid bathroom shelf. A cool, dark cupboard, ideally in the original box, is best.
8. Carry a small atomiser
A travel-size atomiser lets you refresh lightly after a long day or before an evening plan, without overdoing it in the morning.
A good rule: apply well once, in the right places, and refresh lightly later, rather than spraying heavily at the start of the day.
Source: T3, expert-approved tips to make perfume last longer