Waterless and cold air diffusers: how they work and how to choose
A waterless diffuser runs on neat oil and air. How nebulising and cold air diffusers work, how much oil they use, and when an ultrasonic one is calmer.


New articles go up every week. The Aroma corner holds our longer guides to essential oils, from a first lesson to a dictionary of forty oils.
Questions and corrections are always welcome through the contact page.
| Mon · Wed · Fri | [AM] Warm breakfast, then a 10-minute walk [PM] Stand up and stretch once an hour |
|---|---|
| Tue · Thu | [AM] Miso soup or another fermented side dish [PM] Loosen the shoulders before bed |
| Saturday | [AM] A longer walk somewhere green [PM] A warm bath, a few drops of oil in a dispersant |
| Sunday | [AM] Rest, and cook something simple for the week [PM] Early night |
Not a prescription, just the rhythm we try to keep. If something hurts or worries you, talk to a doctor first.
A waterless diffuser runs on neat oil and air. How nebulising and cold air diffusers work, how much oil they use, and when an ultrasonic one is calmer.
Essential oils don't grow mould, but they do age. How long each type lasts once opened, the signs an oil has turned, and how to store it well.
New rice, sanma and roasted sweet potatoes make autumn the hungriest season in Japan. How to enjoy it without the heavy, overfull stomach afterward.
There is no perfect posture to snap into. How to fix your posture with small habits and a ten-minute routine, and when a slouch needs a doctor.
Matcha, sencha, hojicha, tea bags or decaf: what each Japanese green tea is, how much caffeine it carries, and how to pick one that suits your day.
The miso soup I make most mornings in Fukuoka: dashi from scratch or the quick way, tofu and wakame, easy variations, and an honest word on the salt.
Aroma Corner
essential oils at home, with care
Would you like a little more lovely scent in your everyday life?