I spend several hours a day in the car and I value adjustable fragrance. What should I weigh before buying Safar?

Safar buys control, and control is only worth ₹3,999 to somebody with the hours to use it. You have the hours. That is why this page reads differently from the rest of the series.

The answer, in full

Weigh four things, and the first is in Safar's favour. One: you have described the use the published controls were built for. Three speed settings and a one, two or three hour auto-off timer are the only published way in this range to set the strength and the length of a run, and nothing else here comes close - a hanging bottle offers a stopper that loosens for stronger and tightens for subtler, which is one axis and no timer. Two: no coverage area, cabin volume or scent-throw figure is published, so neither I nor anybody else can tell you what a given speed will do in your cabin, and you will be finding your own setting in the first week. Three: no per-speed duration is published, so how long a run lasts at speed one against speed three is not a figure you can look up. Four: SOSA publishes the refill price and no oil-consumption rate, so no cost per month, per journey or per operating hour exists, and no refill interval exists either. The honest version of the money question is that the ₹3,999, or ₹4,499 for the hotel-inspired variant, is a known one-off, and nebuliser refills are ₹1,049 for 100 gm and ₹1,849 for 300 gm, which are known prices on a frequency nobody publishes. Mark the oil level on the 20ml bottle with a marker pen on the day you start, write the date beside the mark, drive your ordinary month, then mark it again. That is the only consumption figure that will ever be true for your driving. If you want control and you are in the cabin long enough to use it, I think this is a sound buy, and I do not say that on the other pages in this series. A portion of every SOSA order supports girl-child education through Nanhi Kali.

Four things to weigh, one for and three unknown

I am not going to pad this out with reasons not to buy. The case is real. What I owe you instead is a straight list of the figures that do not exist, so you are not surprised by them in week one.

The case for it: three speeds and a timed run, which nothing else here has

Safar publishes three speed settings and a one, two or three hour auto-off timer. That is two axes of control: how strong, and for how long. A 12ml hanging bottle publishes one, a stopper that loosens for stronger and tightens for subtler, and it has no timer at all. A spray publishes none - the press is the whole of it. If you are in the cabin for hours and you want the air quieter with passengers and stronger alone, the controls you want exist on exactly one product here, at ₹3,999 or ₹4,499 for the hotel-inspired variant.

Two axes of control, published, on one product.

The gaps you will meet in week one: no coverage figure, no per-speed duration

No coverage area, cabin volume, scent-throw or projection figure is published for Safar, so what speed two does in a hatchback against an estate is not something anybody can state. No per-speed duration is published either, so the question of how long a run lasts at each speed has no published answer. What is published is the battery: up to ten hours continuous or thirty hours intermittent per charge from 2000 mAh over Type-C, with the cable in the box. That is the battery per charge and not how long the oil lasts. You will find your own setting by trying the three.

The money, half of which can be stated: a known one-off and an unknown frequency

The upfront figure is published and exact: ₹3,999, or ₹4,499 for the hotel-inspired variant. The refill prices are published and exact too: ₹1,049 for 100 gm and ₹1,849 for 300 gm. On the published prices the 300 gm size is ₹1,849 for three times the quantity of the ₹1,049 tin, which is arithmetic and allowed. SOSA publishes the refill price and no oil-consumption rate, so no cost per month, per journey or per operating hour exists, and no refill interval exists either. So the second half of your cost question has no published answer, and the substitute is a measurement you take yourself. Mark the oil level on the 20ml bottle with a marker pen on the day you start, write the date beside the mark, drive your ordinary month, then mark it again. That is the only consumption figure that will ever be true for your driving.

Known prices, unpublished frequency. Measure your own.

Scent choice when the device is doing the work

SOSA publishes no strength ranking of the nine car scents and no prediction of what anybody will prefer, so I cannot tell you which one holds up over a long day. Safar runs on pure fragrance oil by waterless cold diffusion, with no water and no heat, and it scents the air and does not humidify it. Nebuliser refills are ₹1,049 for 100 gm and ₹1,849 for 300 gm.

The nebuliser refills are the oils Safar runs on, at ₹1,049 for 100 gm and ₹1,849 for 300 gm, and the published prices are the only figures attached to them. See the nebuliser refills →

What is published for your case, and what is not

Four of the five pages in this series end with me pointing at a ₹459 bottle. This one does not, and the reason is specific: you asked for adjustable strength and you have the hours to use it, and three speed settings with a one, two or three hour auto-off timer is a published answer to exactly that. SOSA publishes no ranking of the formats by how much work they feel like, so that part of the decision is yours.

“Hours in the cabin and a wish to change the strength is the case the three speed settings were built for. It is also the only case I would spend Rs 3,999 on.”

A week-one routine that fills the published gaps

1. Day one: mark the oil level on the 20ml bottle and write the date beside it.
2. Run speed one for a week of ordinary driving. Write down what you heard.
3. Then speed two, then speed three, a week each, one variable at a time.
4. At the end, mark the bottle again. That figure is yours and nobody else's.

Questions, answered