“Which lasts longer - a reed diffuser or a scented candle?” is a fair question, but the two are measured in different units. A reed runs continuously; a candle is counted in burn hours. So the honest answer needs a little unpacking.
I trained at ISIPCA in Versailles, and I would rather explain how each one is measured than sell you a headline number. Here is why a reed diffuser wins on continuous duration, and where a candle's burn-hour life still makes sense.
How long does a reed diffuser last? Weeks. A SOSA 50ml reed diffuser runs for weeks and the 130ml longer still, releasing scent continuously and flame-free without being lit or supervised.
How long does a scented candle last? It is measured in burn time, not weeks. A SOSA 80g soy-blend jar burns for around fifteen to eighteen hours in total, spread across however many evenings you light it.
On continuous duration, the reed diffuser wins, and it is not close. A reed runs flame-free, all on its own, for weeks - the 50ml for weeks and the 130ml longer still - releasing scent the whole time without ever being lit. A scented candle is measured differently: in burn hours. A SOSA 80g soy-blend jar gives around fifteen to eighteen hours of burn in total, and it only scents the room while it is alight. The honest point is that the two are not measured the same way - the reed is about how many weeks of continuous scent you get, the candle is about how many hours of burning, plus the warmth and glow that come with it. So if your only question is sheer duration, the reed lasts longer; if you also want light and ambience, the candle's hours buy you something a reed cannot.
Why a reed runs for weeks
A reed diffuser does not burn anything, so nothing is consumed quickly. The reeds sit in the scented oil and draw it up by capillary action, releasing fragrance into the air slowly and continuously. As long as there is oil in the bottle, the scent keeps going - whether you are home or not, awake or asleep. That is why a reed is measured in weeks, not hours.
Because there is no flame, none of the scent is lost to combustion, and nothing speeds up in your absence. A reed is the steady marathon runner of home fragrance - quiet, continuous, weeks long. In a busy Indian home, that hands-off duration is often exactly what people mean by “lasts longer.”
Why a candle is measured in hours
A candle works the opposite way. Its scent comes from the heat of the flame warming the wax, which means it only throws fragrance while it is lit - and every hour lit uses up wax. So a candle's life is its total burn time, not a stretch of calendar weeks.
| Measure | Reed diffuser | Scented candle |
|---|---|---|
| Unit of life | Weeks of continuous scent | Hours of burn time |
| Scents when | Always, flame-free | Only while lit |
| Typical span | Weeks (50ml) to longer (130ml) | ~15–18 hrs burn (80g jar) |
| Uses up by | Oil slowly depleting | Wax burning down |
| Also gives you | Hands-off convenience | Warmth and glow |
So a SOSA 80g jar candle at around fifteen to eighteen hours might last you many evenings if you light it for an hour at a time - but its scent is only working during those lit hours. That is the trade. You do not get weeks of background scent, but you do get warmth and light that a reed cannot give. For longer burns and a refillable jar, a ceramic candle stretches the hours further.
The SOSA range
SOSA's home range gives you two ways to scent a room: alcohol-free reed diffusers for a flame-free, always-on scent, and hand-poured candles and wax melts when you want warmth and glow. Prices below are starting points.
| Home fragrance | Character | Best for | From |
|---|---|---|---|
| Reed diffusers (5 scents) | Flame-free, alcohol-free, continuous | Always-on room scent | ₹749 |
| Scented jar candles | Soy-blend, hand-poured, ~15–18 hrs | Evenings, ambience | ₹379 |
| Ceramic jar candles (incl. Oud) | Refillable ceramic, longer burn | Statement / gifting | ₹949 |
| Wax melts + burner (incl. Woody Oud, Sandalwood) | Flame-free warmth, swap scents | Layering / flame-free | ₹474 |
Versailles
I trained as a perfumer at ISIPCA in Versailles, and home fragrance is where I get to think room by room - a flame-free reed diffuser for the hall, a hand-poured candle for the evening, a wax melt when you want to change the mood without a match.
Our reed diffusers are alcohol-free and flame-free, our candles hand-poured from a natural soy blend, all built from real materials and IFRA-compliant. I would rather tell you which format suits which room than sell you the most expensive one.
Buy well, not by reflex. If another brand is honestly made, light it happily. I just wanted home scent with the precision of a trained nose and a label that tells you the truth.
Frequently asked questions
Facts verified June 2026: SOSA home fragrance attributes — reed diffusers alcohol-free and flame-free (50ml & 130ml); scented candles hand-poured natural soy blend (~15–18 hrs for the 80g jar); ceramic jar candles and wax melts (incl. Oud and Sandalwood); IFRA-compliant; real and naturally-derived materials — from SOSA product records. Prices and line-up from the live SOSA catalogue, June 2026.