SOSA Safar waterless car perfume diffuser beside its 20ml bottle and Type-C cable

How do I compare continuous diffusion with a run I choose myself?

SOSA · The Founder Diaries · Car Fragrance

The empty hours are the variable

Both formats are published in full, and neither is published as the right one. The number that decides it is one you have to collect from your own week.

The honest shape of this comparison is not strength against strength. It is a bottle that diffuses through the twenty-three hours your car is empty against a device that diffuses for a run you were present to start. If those twenty-three hours matter to you, that is the whole comparison, and it is a judgement about your own routine rather than about either product.

SOSA Safar waterless car perfume diffuser beside its 20ml bottle and Type-C cable
SOSA Safar, Rs 3,999. Twenty millilitre bottle, 2000 mAh battery, three speed settings and a one, two or three hour auto-off timer.

The answer in 30 seconds

How do I compare continuous diffusion with a run I choose myself?

  • In one line. Log one week of driving hours and parked hours, then read both published action lists against it. Nothing published chooses for you.₹3,999
  • The short answer. Spend a week logging driving hours, parked hours and journey lengths. A 12ml hanging bottle diffuses continuously and is published as 4 to 6 weeks; Safar diffuses for a run you start and cap at one, two or three hours. Jasmine hanging Rs 459, Safar Rs 3,999.
  • If you collect one thing: the ratio of hours you are in the car to hours it stands locked. Everything on this page turns on that ratio, and nobody can collect it but you.
  • What is the actual difference? A 12ml hanging bottle diffuses continuously, published as 4 to 6 weeks. Safar diffuses for the run you start, and the auto-off ends that run after one, two or three hours if you set it.
  • How do I compare them against my routine? Log one ordinary week: hours with the engine on, hours parked, and the length of each journey. Then read the two published action lists beside those hours.
  • Which one should I buy? SOSA publishes no ranking of its own formats, so that is your call on your own figures. Jasmine hanging is Rs 459 and Safar is Rs 3,999.

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The answer, in full

Put the two published descriptions side by side and then put your own week beside them. A 12ml hanging bottle is a refillable glass bottle with a stopper that loosens for stronger and tightens for subtler, and SOSA publishes 4 to 6 weeks, that is 28 to 42 days, of continuous diffusion. It is diffusing while you drive and it is diffusing while the car stands locked, because that is what continuous means. Safar is a 20ml bottle, three speed settings and an auto-off timer of one, two or three hours, and it diffuses for the run you start. What Safar asks of you is published: switch it on, choose one of three speeds, choose one, two or three hours of auto-off or none, charge it over Type-C, and refill the 20ml bottle. Which of those two matches your routine is not something SOSA publishes a ranking for, so the deciding figure is your own log of driving hours against parked hours. A portion of every SOSA order supports girl-child education through Nanhi Kali.

The three readings that make the comparison real

A comparison between a continuous format and a run you start is only worth making against numbers, and only one of the three numbers involved comes from a product page. The other two come from your week.

Your week: hours driving, hours parked, journey lengths

Seven days, written down at the time rather than remembered afterwards. Engine-on hours, parked hours, and how long each separate journey took door to door. This is the only part of the comparison nobody has done for you, and it is the part that decides it. A person who drives forty minutes a day and parks for twenty-three hours is reading these two formats very differently from a person who drives five hours a day.

Written at the time. Memory rounds journeys up.

Continuous: what the 12ml hanging bottle is published as

A refillable glass bottle whose stopper loosens for stronger and tightens for subtler, published as 4 to 6 weeks, that is 28 to 42 days, of continuous diffusion. Continuous is the operative word: the bottle is open to the cabin air whether you are in the seat or at your desk. Eight scents carry a 15ml refill at Rs 399 to Rs 449. Mysore Orange Blossom is a spray only: no 15ml bottle is published for it. Jasmine hanging is Rs 459.

A run you start: what Safar is published as

A 20ml bottle, a 2000 mAh battery over Type-C with the cable in the box, three speed settings, an auto-off timer of one, two or three hours, 6.9 cm across. Waterless cold diffusion of pure fragrance oil: no water and no heat, and it scents the air rather than humidifying it. Up to ten hours continuous or thirty hours intermittent per charge. The ten and thirty hour figures describe the 2000 mAh battery per charge, not how long the oil lasts. What Safar asks of you is published: switch it on, choose one of three speeds, choose one, two or three hours of auto-off or none, charge it over Type-C, and refill the 20ml bottle.

Five published actions, and four of them recur.

Choosing the scent before you choose the format

SOSA publishes no strength ranking of the nine car scents, so there is no scent here that suits one format and not the other. Eight of the nine come as a 10ml spray or a 12ml hanging at the same price per scent: Jasmine Rs 459, Lavender and Sandalwood Rs 499, Sandalwood Rs 509, Icy Mint Rs 499, Lemon Rs 509, Oud Rs 519, Vetiver Rs 519, Sea Breeze Rs 519. Mysore Orange Blossom is Rs 559 and is a spray only.

Want to settle the scent before you settle the format? The three-spray discovery sets run ₹709 to ₹909 and let you smell a trio in your own car. See the discovery sets →

What each format publishes, side by side

What the record says
How long it is diffusing. The 12ml hanging bottle is published as 4 to 6 weeks, that is 28 to 42 days, of continuous diffusion. Safar diffuses for the run you start, and the auto-off ends that run at one, two or three hours if you set it.
What you do to change the strength. On the hanging bottle, the stopper: loosen for stronger, tighten for subtler. On Safar, the three speed settings. SOSA publishes no figure for what either change amounts to.
What recurs, and how often. Safar: switch it on, choose a speed, choose the auto-off or not, charge it over Type-C, refill the 20ml bottle. The hanging bottle: hang it, then adjust the stopper or buy a 15ml refill at Rs 399 to Rs 449.
Which of the two fits your routine. Nothing published answers that, in either direction. SOSA publishes no ranking of its own formats, so the answer comes out of your own week of logged hours.

If your log says you drive two short legs a day and park for the rest of it, you are choosing between a bottle that works through the parked hours and a device that does not. If your log says you drive for hours at a stretch, the three speeds and the auto-off are controls you would actually reach for. Both of those are readings of your own data, and that is the point.

“One format diffuses while the car is empty. The other diffuses while you are in it. Your week decides which of those you are buying.”

Comparing the two against your own routine, in four moves

  1. Log your driving hours and your parked hours for one ordinary week.
  2. Write down what each format asks of you, with the adjectives left out.
  3. Price the two: Jasmine hanging Rs 459 against Safar Rs 3,999.
  4. Decide on your own log. SOSA publishes no ranking of the formats.

SOSA car fragrance

Collect your week first, then choose

Both published specifications are on the product pages. The figure that decides between them is the one you write down yourself.

10 ml sprays ₹459–₹559 · 12 ml hanging bottles ₹459–₹519 · 15 ml refills ₹399–₹449 · 50 ml spray ₹1,509 · three-spray discovery sets ₹709–₹909 · SOSA Safar ₹3,999, ₹4,499 hotel-inspired

View SOSA SafarSee the 15ml refills
Published: 4 to 6 weeks of continuous diffusion, or three speeds and a one, two or three hour auto-off. Not published: which suits you.

Questions, answered

Does a hanging bottle keep diffusing while the car is parked?
SOSA publishes it as 4 to 6 weeks, that is 28 to 42 days, of continuous diffusion in a refillable glass bottle. Continuous is the published word, and a parked car is part of those weeks.
Can I make Safar diffuse continuously instead?
Up to ten hours continuous or thirty hours intermittent per charge is published, so a long run is within the battery figures. What is not published is any consumption rate for the oil, so what a long run costs you in refills is not a figure that exists.
Is the one, two or three hour auto-off the same as a strength control?
No. The auto-off decides when the run stops and the three speed settings decide how fast it diffuses. They are separate controls and SOSA publishes no per-setting figure for either.
How much of my week would Safar actually be running?
Only you can say, because it runs when you start it. That is why the log of driving hours against parked hours is the first thing on this page rather than the last.
Is Rs 459 against Rs 3,999 the whole cost difference?
On the published prices those are the purchase prices, and the refills published beyond them are 15ml hanging refills at Rs 399 to Rs 449 and nebuliser refills at Rs 1,049 for 100 gm and Rs 1,849 for 300 gm. No consumption rate is published, so no running cost can be worked out from them.

If you would rather ask a person

Ask Sonal

Jasmine hanging is ₹459 and Safar is ₹3,999, or ₹4,499 for the hotel-inspired variant. A portion of every SOSA order supports girl-child education through Nanhi Kali.

Write to SOSA on WhatsApp

A portion of every SOSA order supports a girl’s education through Nanhi Kali.
SOSA Home & Body, Pune · written by Sonal Sahani, founder and perfumer, trained at ISIPCA Versailles · The Founder Diaries

Prices and specifications were taken from the SOSA product pages at publication and may change; please confirm on the product page. Nothing here is a health or air-purification claim.

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