Choose a diffuser if you want scent without smoke and with a timer. Choose incense if you want a short ritual with a flame, a traditional scent and no device. Many homes use both.
Side by side
| Essential oil diffuser | Incense | |
|---|---|---|
| How it scents | Mist or evaporation of oils | Smoldering plant material |
| Smoke | None | Yes, little to a lot |
| Scent character | Clean, single notes or blends | Deeper, woody, smoky |
| Ritual feel | Press a button | Light, watch, wait |
| Upkeep | Regular cleaning, refilling | Emptying ash |
| Needs | Power outlet, oils | Holder, matches |
| Runs unattended | With auto shut-off, for a limited time | Never |
Types of diffusers in short
Ultrasonic diffusers mix oil with water into a cool mist. Waterless nebulizing diffusers atomize pure oil for a stronger scent, and they have become much more common in recent years. Reed diffusers and warmers are the quiet options. See Essential oil diffusers: types and what to look for.
Which fits your home?
| Situation | Better choice |
|---|---|
| Smoke alarms close by, rental rules | Diffuser |
| Small children at home | Diffuser placed out of reach, used briefly |
| You want a meditation ritual | Incense |
| You dislike devices and cables | Incense or a reed diffuser |
| Someone has asthma | Neither without asking them first |
Safety for both
- Diffusers: use a few drops, run them for short periods and ventilate. Some essential oils are harmful to cats, dogs and birds. Never swallow oils or put them undiluted on skin.
- Incense: ventilate and never leave it burning. See How to burn incense safely.
Scents that work in both
Lavender, sandalwood, cedarwood, frankincense and citrus exist as oils and as incense. See Incense scents and their traditional meanings.
Scent is for atmosphere and enjoyment. Neither incense nor essential oils are medical treatments.
Which gives the least smoke of the incense types?
Japanese coreless sticks. See Low-smoke incense for small apartments.
Not sure which scent to try?
Use the incense finder.