What heat does to a men's fragrance
Plenty of modern men's scents sit on thick bases like ambroxan, tonka bean and amber woods. At 90°F those bases rise faster and louder, and sweat makes them sticky. A fragrance that works in October can become overwhelming on a subway in July. Summer flips the winter rules. You want a citrus opening of lemon or bergamot. Then an herbal heart like rosemary or basil, over a dry base of vetiver, cedar or musk. That is exactly how Eau Sauvage, Terre d'Hermès and Light Blue Pour Homme are built. Aquatics like Acqua di Gio add a salty-water feel on top. Only Invictus breaks the pattern. It rates 4 out of 5 for intensity, so keep it for nights out and the gym.
Timing and how much to spray
For the office, two sprays in the morning are plenty: one on the back of the neck and one on the chest under your shirt. Cotton holds the scent and releases it slowly all day. Skip your wrists if you wear a leather watch strap, since sweat and perfume will stain it. After a workout, Allure Homme Sport or Acqua di Gio make a better refresher than a scented body spray. At the beach, the Jo Malone cologne or Silver Mountain Water feel nicer than anything woody. In the evening, once the heat breaks, you can move up to Invictus or Green Irish Tweed. One caution: citrus and direct sun on bare skin do not mix well, so spray where clothing covers. And stop chasing longevity. A fresh scent that is gone by 3 p.m. is meant to be reapplied.
Citrus, aquatic or fougère: three summer families
The citrus-aromatics are the driest: Eau Sauvage, Light Blue Pour Homme and Lime Basil & Mandarin. They smell of zest and cut grass. The aquatics (Acqua di Gio, L'Eau d'Issey Pour Homme and Invictus) suggest sea spray or cold water, with more sweetness and more trail. Green Irish Tweed sits on the fougère side, with verbena, violet leaf and ambergris for a dressier kind of fresh. If you are unsure where to start, try Eau Sauvage. It is the historical benchmark, and everything else reads as a variation on it: more marine, sweeter or woodier. Silver Mountain Water and Lime Basil & Mandarin are sold as unisex. They wear perfectly well on men. Their short longevity is the price of how clean they smell.

