Nothing here is a claim about who uses SOSA. There is no client list on this page, SOSA does not publish one, and that is roughly the point: discretion is the thing being sold, and a supplier who name-drops is a supplier who has already failed the brief. What this page can honestly describe is the operational shape of a private booking, because that shape is broadly the same in every studio in India that handles one. A guest arrives with a team. There is a private entrance, or a service lift, or a back door held open for ninety seconds. There is a corridor. There is a closed room with a rail in it, a mirror, a hair and makeup station, somebody working a phone, and a door that stays shut. The shoot happens in a controlled bay, the room is cleared, and everyone leaves the way they came.
Every olfactory decision worth making follows from that layout rather than from anything about the person. A private route is a chain of small closed volumes, and a closed door ends one body of air and begins another. That single physical fact is what lets a studio hold a register in reception, where the agency, the crew and the assistants are waiting, and hold nothing whatsoever in the room the guest is in. And one rule overrides everything else written below: whatever the guest or their team asks for is the answer, including off.
Should the private green room be scented at all? No. Three reasons, none of them about status. It already contains hair and makeup volatiles by the time it is in use. It is a closed room a guest occupies for hours with their own team. And it is a room where nobody in it is well placed to complain about the air, because complaining costs them something socially. Leave it plain, air it before and after, and treat its smell as a ventilation and cleaning job.
Can reception be scented without the private room smelling of it? Yes, and that is the entire mechanism. Every coverage rating - including SOSA's approximately 1000 m3 for the Vaayu at ₹11,999 - assumes one connected body of air. A shut door is a boundary. Walk the private route with the doors closed as they will be on the day, and check the corridor and any shared return grille, because that is where scent actually travels between rooms that look separate on a plan.
The reason for the split is not deference and it is not theatre. It is the ordinary asymmetry of who can complain. Most clients, if a room is too strongly scented, will say something eventually or at least shift in their seat in a way you can read. A guest arriving with a team, a schedule and people whose job is to keep the day smooth is in a very different position: raising the subject of the air costs them something, however small, and so it usually does not get raised. It gets absorbed. The room is simply endured, and nobody tells you, and you learn nothing. Under-dose harder here than anywhere else in the building, precisely because the feedback loop you rely on everywhere else is not going to work.
Then the mechanism that makes it practical. A coverage rating assumes one connected body of air, and a machine cannot push scent through a closed door. So a studio is scented volume by volume rather than building by building, and a private route made of closed volumes is unusually easy to keep clear. Reception can carry a register. The corridor beyond the second door can carry nothing. The holding room, with its own door shut, is a separate body of air and takes whatever you decide, which on this page is nothing at all.
What that requires from you is a walk-through with the doors closed as they will actually be on the day, rather than a look at a floor plan. Check where the machine sits, check where the air goes, and check any shared return grille, because a ducted system can join two rooms that look separate on paper and quietly deliver your reception register into the room you meant to keep plain. If you find that it does, the fix is placement, level and switching the machine off before the booking. It is never to close a vent or reduce extraction so that the front of house keeps its scent for longer, and that is a rule with no exceptions on this page.
And the last part, which is also the first part: fragrance adds scent and does not remove odour. If the holding room smells of the last booking, of a shut cupboard or of somebody's lunch, no register laid over the top will fix it - it will make a third smell in a room where you have the least margin for error in the building. Source, then ventilation, then cleaning, then fragrance, and on the private side the process honestly stops after cleaning. A portion of every SOSA order supports girl-child education through Nanhi Kali.
Add one operational habit and you have covered nearly all of it. Be able to answer the question "what is in the air?" in one sentence, and be able to make the answer "nothing" in one action. That means knowing your register by name, knowing your setting, and having a machine you can switch off from an app or a socket rather than a scented object you would have to find, carry out and hide.
Ask the preference in advance, through whoever is managing the booking, in the same email where you confirm parking and the loading door. It should read as a logistics question rather than a favour: the studio holds a light fragrance in reception, the private rooms are unscented, and it can all be off on the day if preferred. Almost nobody will ask you to change anything. The value is in having asked, because it converts an assumption you made into a preference they stated, and the stated preference is the only one that matters.
Your staff are the other check, and they are checking something different. They are in that air for the whole of a long, tense day while the guest is in it for a few hours, and if an assistant or a retoucher mentions the scent that is a recalibration signal rather than a tolerance problem. Turn it down first and discuss it second.
What actually changes when a booking has to be handled privately
Take the word out of the question and it gets easier to answer. What actually changes when a booking is private is not the taste of the person in front of the camera. It is the layout of the day, and layout is a variable this whole bank already knows how to handle: connected volume, dwell time, who is in which room and for how long, and what is already in the air before you add anything.
A private booking rearranges a studio into two buildings that happen to share a postcode. There is a public building - reception, the crew waiting area, the corridor to the kitchen, the loo everybody uses - which is busy, transient and full of people who will happily tell you what they think. And there is a private building, usually three or four small rooms in a row, which is quiet, closed, occupied by a handful of people for several hours, and socially very hard to give feedback about. Those two buildings want opposite treatments, and the good news is that a door between them is all the equipment you need to give them opposite treatments.
It is also worth naming what a private holding room already contains, because owners plan for an empty room and then a real one turns up. By the time it is in use it holds a hair and makeup station and everything on it, a garment rail, a steamer that has just been run, coffee, a laptop, several bags and four to eight people. Those are strong volatiles and a lot of warm bodies in a small volume. A 250 sq ft holding room at 10 ft is 250 x 10 = 2,500 cubic feet, and 2,500 divided by 35.3 is about 71 cubic metres, which is a very small amount of air for that many people and that much product. Adding a fragrance to it does not blend with what is there; it makes a third smell in the one room where you most want the air to be unremarkable.
The final thing that changes is the cost of being wrong. In an ordinary week an over-scented reception is an irritation somebody mentions and you fix. On a day like this it is a small, silent failure of hospitality that you will never hear about and cannot correct afterwards, because the booking is over and the person has gone. That asymmetry is the honest reason to run lower here, and it has nothing to do with anybody being famous. It is the same reason you would run lower for a guest who does not speak the language, or for a child, or for anyone else who is not in a comfortable position to say that the room is a lot.
Do it that way because unscented rooms decay. A studio decides in March that the holding room gets nothing, and by September there is a reed diffuser on the shelf because a well-meaning assistant thought the room smelled a bit flat, or a candle that a supplier sent as a gift, or an air freshener somebody bought for the adjoining loo whose smell arrives through the door every time it opens. Write the list of rooms that get nothing on the same sheet as your register and your setting, keep it by the machine, and make it somebody's job.
Now handle the holding room properly, because it is the room the guest actually occupies and it is the one this page exists for. Its smell is a housekeeping problem with a housekeeping fix. Air it out between bookings, ideally with the door open onto a route that is itself aired rather than onto a corridor carrying your reception register. Get the textiles laundered on a schedule, because a sofa throw, a rug and a curtain hold whatever the last four bookings put into that room and give it back slowly for days. Take food and cups out of the building rather than into the studio bin. Run the extraction in the attached loo. Wipe the makeup station down rather than spraying it. None of that costs anything and all of it works, because it is addressing the source rather than laying something over it.
One specific trap. Studios that keep a private room unscented often keep it closed as well, sometimes for days between bookings, and a closed room with soft furnishings in it develops exactly the stale, shut-cupboard smell that then tempts somebody to put a diffuser in there. That is the failure mode to design against: a room that is unscented and unaired ends up scented by accident. Air it on a schedule, not on the morning of the booking.
And keep the changing area in the same bucket as the holding room, for a reason that has nothing to do with the booking being private. A person changing clothes is standing in their own scent, in a small room, often in a hurry, and the studio has no business adding anything to that situation for any client at all. It is a laundry, ventilation and cleaning job everywhere in the building. It happens to matter more here because the room is smaller and the day is longer.
So do the arithmetic and then do the walk. A 500 sq ft reception and waiting area at 12 ft is 500 x 12 = 6,000 cubic feet, and 6,000 divided by 35.3 is about 170 m3. A 1,000 sq ft public front at 12 ft is 12,000 cubic feet, about 340 m3. A 1,500 sq ft front of house at 14 ft is 21,000 cubic feet, about 595 m3. All of those sit inside one machine's rating comfortably, which means the public side is an easy problem. Studios are rarely 10 ft, by the way, and a shooting bay can be 18 to 22, so never assume 10 when you are sizing anything here.
The walk is the part people skip. Close every door on the private route exactly as it will be closed on the day, run the machine at your normal setting for an hour, and then come in from outside the building and read each room from its doorway in your first breath. Reception should have a faint presence. The corridor beyond the second door should have less. The holding room should have none. If it has some, you have found one of three things, and all three are fixable without buying anything.
The first is placement: the machine is too close to the boundary, often because that is where the free socket was. Move it deeper into the public volume, away from the door line and away from the direct path of any fan. The second is a shared return grille or a ducted system that joins two rooms which look separate on the plan. Air conditioning is very good at delivering your reception register into a room you meant to keep plain, and if reception smells right while a closed room down the corridor also smells of it, look up at the ceiling before you look at the machine. The third is pressure: a door that gets opened forty times an hour is not a boundary, it is a slow valve, and the answer there is either a door that actually stays shut or a lower level on the public side.
What is never the answer is reducing air exchange so that the front of house holds its scent for longer. A well-ventilated studio is genuinely harder to scent, which is a good problem, and on a day when a private room needs to be clear it is an advantage rather than a cost. You solve throw with placement and level. You never solve it by closing a vent or switching off extraction.
One more practical point about the boundary, and it is the one studios in shared buildings run into. If your private entrance comes off a lobby, a lift or a corridor that belongs to the landlord and has somebody else's scenting in it, your control starts at your own door and not a metre before it. Do not try to out-scent the lobby. Let the threshold do its work, keep your own air quiet, and if the shared corridor is genuinely unpleasant that is a conversation with the building manager rather than a fragrance purchase.
Now consider a day where that loop is switched off. A guest arriving with a team, a schedule and people whose job is to keep everything smooth is not going to raise the subject of your reception. Their team is not going to raise it either, because it is not what they are there for and because it would land as a complaint about hospitality. So the room gets endured. You get no signal, you conclude that the level is fine, and you carry that same level into next month.
The response is not to guess better. It is to build in the margin in advance. Set the public side one notch below what you would run on an ordinary client day, and set it on a morning when the building has been shut, judged from the doorway on your first breath, before you have been inside for four minutes. Then ask three people who have just come in off the street what they notice, and ask them before you mention that there is a diffuser. If nobody mentions it and nobody is bothered, you are approximately right. If two of the three can name a product, come down.
Ask the preference too, in advance and in writing, through whoever manages the booking. Put it with the parking and the loading door rather than in its own precious email: the studio holds a light fragrance in the reception area, the private rooms are kept unscented, and everything can be switched off on the day if that is preferred. Most of the time nobody will change anything. The point is that it is now a stated preference rather than an assumption you made on their behalf, and a stated preference outranks every recommendation on this page and every register in the collection.
Then make sure "off" is genuinely one action. This is the single most useful reason to prefer a machine with a timer and an app over a scented object in a room like this. A Vaayu or a Sukoon can be off before the guest is in the building, and the room then has an hour or two of ordinary aired air before anyone arrives. A reed diffuser cannot be switched off at all - you would have to physically pick it up, carry it out and put it somewhere else, and it will have been quietly working in that room for weeks. Reeds are excellent things in the right place, and a room that has to be able to become unscented at short notice is not that place.
Finally, the honest ceiling on what any of this achieves. Ambient scent is associated with improved evaluations of a space and its service, longer dwell and stronger recall, at moderate effect sizes. That is the whole claim and it is worth having. It is not a claim about bookings, fees, referrals or reputation, and there is no version of this page where a fragrance decision is why a studio gets given serious work. The work is why. The air is manners.
- Draw the private route first and mark every room on it as unscented, in ink.
- Air and clean the holding room on a schedule, not on the morning of the booking.
- Walk the route with the doors shut and read each room from its doorway.
- Ask the preference in advance and keep switching everything off to one action.
A register on the public side, and nothing at all on the private one
So the register question, which only applies to half the building. The seven registers in the water-based Hotel Collection are each SOSA's own hotel-inspired interpretation, and SOSA is independent and not affiliated with, endorsed by or connected to any hotel brand; the hotel names describe an inspiration rather than a licence, and on a page about discretion it is worth being precise about that rather than trading on somebody else's name.
Quiet Luxury - white tea, bergamot and cedar, hushed and polished lobby calm - is the answer for the public side of a studio like this, and it is not a close contest. It is the most neutral register in the collection, it reads as considered rather than as a product, and it is the one least likely to be anybody's particular dislike. On a day where the room has to be unobjectionable to fourteen people at once, several of whom are already wearing something, unobjectionable is the entire specification.
White Tea Serenity - white tea, aloe and cedar, clean, weightless and spa-like - is the alternative if your front of house is pale, daylight-heavy and minimal. It is the coolest and most transparent of the seven, which makes it very hard to over-notice, and that quality is worth more here than character is. Forest Suite - cedarwood, vetiver and green leaves, grounding and biophilic green - is the third safe choice, and it is the one to pick if the public side is concrete, steel, plants and dark timber. It reads as structural rather than decorative and a mixed crew of assistants, stylists and agency people will read it as neutral rather than as somebody's floral decision.
The other four exist and they are good, and I would not run them on the public side of a private booking day. Tea Garden - jasmine, green tea and white tea - is the best floral in the collection for long-dwell rooms and it belongs in a bridal consultation. Warm Welcome - citrus, floral and sandalwood - is a threshold register for a studio whose positioning is warmth and hospitality. Old-World Glamour - amber, violet and woods, plush and evening-elegant - is genuinely lovely and it is exactly the register that gets over-run in a small room. Lobby Bar - citrus, pepper and amber, bold, playful and after-dark - has one home in this vertical, which is a studio that hosts evening events. None of those four is wrong in general. All four have more character than a day like this wants, and character is the thing you have the least use for when the whole objective is that nobody thinks about the air.
What I will not do is tell you which of the seven throws furthest or lasts longest. SOSA does not publish that comparison and no honest supplier can produce one that survives contact with your particular room. What decides how a register behaves in your building is connected volume, ceiling height, ventilation rate, how much soft material is in the room and what level you set, and those swamp any inherent difference between one blend and another.
Then the level, which is where the actual work is. One register on the whole public route, run at different levels in different rooms and at a lower level overall than you would on an ordinary day. Reception is a thirty-second to two-minute room and can carry a little presence, because nobody is in it long enough to tire of it. A crew waiting area where an agency team sits for six hours is a long-dwell room and takes the lowest public setting in the building, on exactly the same logic that governs a bridal album room: a scent you like for ten minutes is tiring at hour three. And on a private booking day, take another notch off both, because you are not going to be told.
The rooms that get nothing, written plainly so that they can be copied onto a sheet of paper: the holding or green room, the private changing area, the private entrance and its corridor, the hair and makeup station wherever it is, the active shooting bay, and the equipment store. The makeup station is out for a reason that applies to every studio in this bank - by mid-morning it contains hairspray, setting spray, primer, a hot tool and somebody's own perfume, those volatiles are winning, and a diffuser added on top produces a third smell that belongs to nobody. The shooting bay is out because it is a work room where a crew stands for ten hours and the person in front of the camera has their attention entirely elsewhere. And the private rooms are out for everything this page has already said.
One last register note, and it is the one that matters most. Your guest may well be wearing their own fragrance, and it may be there for reasons that have nothing to do with what they happen to like that morning. The studio has no business competing with it, arguing with it or adding a second opinion to it. A quiet tea-based register held low on the public side sits underneath a personal fragrance rather than beside it. That is the courteous outcome, and it is another argument for the setting being lower than feels natural rather than higher.
| Scent | Why it suits the mood |
|---|---|
| Quiet Luxury · reception, one notch down | White tea, bergamot and cedar. The most neutral register in the collection and the right one for a public front that has to be unobjectionable to a whole crew at once. Hold it a notch below your ordinary client-day setting, because on this day nobody is going to tell you it is too much. |
| White Tea Serenity · pale, minimal front of house | White tea, aloe and cedar. Cool, weightless and very hard to over-notice, which is exactly the quality you want when the objective is that nobody thinks about the air. The natural choice if the public side is white walls, daylight and light wood rather than concrete and steel. |
| Forest Suite · concrete and industrial fronts | Cedarwood, vetiver and green leaves. Structural rather than decorative, and the register a mixed room of assistants, stylists and agency people reads as neutral. Good in a large, high public volume where a lighter register can feel like it is not there at all. |
| Nothing at all · the whole private route | Private entrance, corridor, holding room, private changing area, hair and makeup, shooting bay and equipment store. Aired and cleaned rather than scented. This is the decision the page exists for, and it should be written on the plan so that nobody helpfully adds a diffuser in month seven. |
The buying answer follows the split. For the public side only, one machine sized to the connected volume of the front of house is normally the whole shopping list. A SOSA Sukoon at ₹1,899 running the water-based Hotel Collection from ₹299 covers a single reception, with 100ml refills at ₹999; a SOSA Boond at ₹899 is the small-room version; and a SOSA Megh at ₹3,499 with its 6 litre tank is for a busy public lounge that runs all day without anybody wanting to refill it at lunchtime. If the whole front of house is genuinely open - reception, waiting area and corridor joined to each other - the SOSA Vaayu at ₹11,999 is the commercial answer, rated for approximately 1000 m3 of connected air, with SOSA's own copy also stating 2,000 to 3,000 sq ft scented evenly.
Two features of the Vaayu matter more than usual on this page. The first is that it is waterless cold-air nebulising of undiluted oil: no water, no humidity and no wet residue, which is why it belongs in a building with gear and wardrobe in it. Ordinary studio prudence still applies wherever any machine goes - keep it away from open equipment cases and away from the spot where lenses get changed, and do not point a mist machine at anything you care about. That is prudence and housekeeping, not a protection claim, and SOSA publishes none. The second is the Bluetooth app and timer, which is the feature that makes a private booking manageable: the public side can be scented during opening hours and switched off entirely before a guest is in the building, from a phone, in one action, without anybody walking through a room carrying a diffuser.
That is also the honest case against reeds for this particular job. The SOSA reed diffusers are excellent things - no plug, no noise, nothing to switch on - and they are the right answer for a quiet corner, a small consultation room or a loo where you want one steady low level and no equipment. Morning Freshness at ₹749 is Malabar lemon, mint and eucalyptus; Garden Bloom at ₹799 is British rose and night-blooming jasmine; Evening Calm at ₹799 is Kashmir lavender and chamomile; Mountain Breeze at ₹849 is Himalayan pine, sage and cedar, which sits closest to a studio's woody register; and Fresh Brew at ₹849 is Coorg coffee and Kerala vanilla, which is a delight at home and a risk in a room where somebody sits for hours. The 130ml is from ₹1,249, refills are ₹2,399 for 300ml and ₹3,499 for 500ml, and they last about 6 to 10 weeks. But nothing to switch on also means nothing to switch off, and any room that must be able to become unscented at short notice wants a machine rather than a reed.
The two systems are not interchangeable and this is the commonest mistake in the range. The ultrasonics - Boond, Sukoon and Megh - are water-based cool-mist machines that put moisture into the air and run the ₹299 water-based Hotel Collection. The Vaayu and the ducted machines - Aangan at ₹25,999 for approximately 8,000 to 10,000 sq ft and Meenar at ₹38,500 for approximately 12,000 to 18,000 sq ft - run waterless nebulising oil, and the Vaayu ships with four hotel-inspired waterless blends as one of three bundle choices. The ₹299 water-based bottle never goes into a Vaayu or an HVAC machine. If you are on an ultrasonic now and expect to take a bigger floor later, say so on WhatsApp before you buy so nobody ends up with the wrong bottle.
A note on the ducted machines specifically, because a studio that handles private bookings should think twice before going down that road. Ducting scent into an HVAC system is the least controllable way to scent a building, and control is the entire objective here. A ducted system delivers wherever the ducts go, including into rooms you wanted plain, and switching it off on the morning of a booking does not empty the ducts instantly. If your building genuinely needs Aangan or Meenar because of its size, plan the private rooms onto a separate air path or accept that they will need their own arrangement, and have that conversation with your air conditioning contractor rather than with a fragrance page.
If you want to go further into the parts this page only touches: the argument about how a big crew and a long day change the air is set out at length in how to scent a photography studio used for fashion campaigns, which also explains why garment rails and wardrobe get nothing. If your building is open-plan rather than compartmented, the volume and dwell arithmetic that decides everything is in should a creative studio smell different from a traditional portrait studio. And if your private shooting bay is a small dark room with heavy drapes in it, read what fragrance fits a dark, moody luxury portrait studio before you put anything in there, because that is the easiest room in a building to overdo.
What SOSA does not publish, and what this page will therefore not invent: consumption rate, refill frequency, monthly running cost, machine lifespan, minimum order quantity or lead time. Those depend on run hours, connected volume and setting, and they are yours rather than ours. If you want that worked through against a real floor plan, including which rooms should be on nothing, it happens on WhatsApp at +91 96192 18531. Bulk orders are welcome, custom label or logo on product is available, and bespoke composition made only for your studio is a real SOSA service discussed there rather than priced on a page.
The SOSA scenting range
SOSA sells two different systems and one of the commonest mistakes is mixing them up. Size by the connected air volume of the room you are actually scenting - floor area multiplied by ceiling height gives cubic feet, and cubic feet divided by 35.3 gives cubic metres. A door that stays shut ends one volume and begins another.
| Machine | System | What it is for | Price |
|---|---|---|---|
| SOSA Boond | Ultrasonic · water-based | A small desk or corner unit for one enclosed room - runs the water-based Hotel Collection | ₹899 |
| SOSA Sukoon | Ultrasonic · water-based | A larger ultrasonic for a reception or consultation room - Hotel Collection from ₹299 | ₹1,899 |
| SOSA Megh | Ultrasonic · 6L tank | A large-tank ultrasonic for a bigger lounge that runs all day | ₹3,499 |
| SOSA Vaayu | Waterless cold-air nebulising | The commercial machine - approx 1000 m3 of connected air, Bluetooth app and timer, no water and no humidity | ₹11,999 |
| SOSA Aangan | HVAC nebulising | Ducted scenting for approximately 8,000 to 10,000 sq ft | ₹25,999 |
| SOSA Meenar | HVAC nebulising | Ducted scenting for approximately 12,000 to 18,000 sq ft | ₹38,500 |
Two systems, and they are not interchangeable. The ultrasonics - Boond, Sukoon and Megh - run the water-based Hotel Collection from ₹299. Vaayu and the HVAC machines run waterless nebulising oil; the ₹299 water-based bottle never goes into a Vaayu. SOSA blends are SOSA's own hotel-inspired interpretations and SOSA is independent and not affiliated with any hotel brand. A portion of every order supports girl-child education through Nanhi Kali.
- Vaayu ₹11,999 - waterless cold-air nebulising, approx 1000 m3 connected air, Bluetooth app and timer, 400ml tank, freestanding or wall / HVAC mount, DC 12V / 1A, 5W, mains powered, CE / RoHS / SGS.
- Aangan ₹25,999 for approximately 8,000 to 10,000 sq ft and Meenar ₹38,500 for approximately 12,000 to 18,000 sq ft - both ducted into HVAC.
- The ultrasonics - Boond ₹899, Sukoon ₹1,899, Megh ₹3,499 - run the water-based Hotel Collection from ₹299, with 100ml refills at ₹999.
- Not published, and therefore never stated on this page: consumption rate, refill frequency, monthly running cost, machine lifespan, installation lead time or any minimum order. Those go to WhatsApp +91 96192 18531.
Versailles
A photography studio sells a feeling before it sells a photograph. A couple sitting on your sofa choosing an album is doing something emotional, and they are doing it in your air for three or four hours. That is a long time to be in a room, and it is the reason I keep telling studio owners to go lower than they think.
The mistake I see is scenting the whole studio at one level. A reception is a thirty-second room and can carry a little presence. A consultation lounge is a three-hour room and needs a whisper. A newborn or maternity room should usually have nothing at all, and I would rather say that plainly than sell a second machine.
And the unglamorous part first: fragrance adds scent, it does not remove odour. If the studio smells of hairspray, of last night's crew dinner or of a room that has been shut since Sunday, scent laid on top makes a third smell. Find the source, air the room, clean it - and then, when the air is honest, give it a signature.
Frequently asked questions
Facts verified September 2026: SOSA Vaayu ₹11,999 is a waterless cold-air nebulising diffuser rated for approximately 1000 m3 of connected air, with Bluetooth app and timer, a 400ml tank, freestanding or wall / HVAC mounting and a DC 12V / 1A, 5W mains supply. SOSA Aangan ₹25,999 covers approximately 8,000 to 10,000 sq ft and SOSA Meenar ₹38,500 approximately 12,000 to 18,000 sq ft, both ducted into HVAC. The ultrasonic machines - Boond ₹899, Sukoon ₹1,899 and Megh ₹3,499 - run the water-based Hotel Collection fragrance from ₹299, with 100ml refills at ₹999; that water-based bottle is not used in a Vaayu or an HVAC machine. Reed diffusers start at ₹749 and last roughly 6-10 weeks. A coverage rating assumes one connected body of air; scent does not travel through a closed door. Ambient scent research supports improved evaluations of a space and its service, longer dwell and stronger recall at moderate effect sizes - it does not support claims about bookings, fees or retention. Fragrance adds scent and does not remove, neutralise or purify odour, and no SOSA product makes any health, antibacterial or air-purifying claim. SOSA blends are SOSA's own hotel-inspired interpretations; SOSA is independent and not affiliated with any hotel brand. Prices and availability are subject to change - see the live product pages.