My Hanging Car Perfume Seems Much Stronger After the Car Has Been Closed Overnight - Is Temperature Affecting the Fragrance, or Am I Simply Noticing It More When I First Enter?

Two things are happening at once, and it is worth naming both rather than picking one. The first is genuinely physical: fragrance accumulates in a sealed cabin with no air exchange. Across a full night with the doors and windows shut, there is nowhere for the diffusing scent to escape to, unlike during a drive with the AC running or a window cracked, when fresh air is constantly moving through and diluting it. Hours of that slow, undisturbed accumulation genuinely raises the concentration in the cabin by morning. The second is perceptual, and equally real: your nose has had a break. Olfactory adaptation means you stop registering a constant smell within minutes of first noticing it, which is why your own car always seems to smell less than a passenger thinks it does. After eight hours away from the car, your nose resets completely, so the moment you open the door you register the full concentration at once, rather than the gradual build-up you would have experienced if you had been sitting in it the whole time. Neither cause on its own explains the full effect - it is real accumulation, registered by a genuinely fresh nose, both at once. What to actually do about it: run a moderate rather than strong level - SOSA Sandalwood (naturally-derived chandan warmth, from ₹479) as a Hanging Diffuser is a forgiving, gentle everyday choice - and if the first-minute strength genuinely bothers you, crack a window for a few seconds before you set off. It settles to a normal, pleasant level within a few minutes of driving either way. Ask us if you want the level double-checked for your car.