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AZULON ultrasonic essential oil diffuser misting in a serene modern living room

The AZULON diffuser collection

Whisper-quiet ultrasonic diffusers and humidifiers that turn pure essential oils into a fine, calming mist — no heat, no noise, just clean fragrance for modern, mindful homes.

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Heat-free mist

Ultrasonic technology protects the natural aroma of your oils.

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Whisper-quiet

Under 25 dB, calm enough for any bedroom, studio or office.

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Next-day delivery

Free next-day delivery on every order, with same-day dispatch.

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Easy returns

Friendly support and a no-fuss returns policy.

Shop by size

From compact desktop minis to room-filling diffusers — find the right fit for your space.

AZULON 130ml mini ultrasonic diffuser-humidifier on a home-office desk beside a laptop

Mini · 130ml

Compact diffuser-humidifiers for desks, bedsides and travel.

Shop 130ml
AZULON 300ml ultrasonic essential oil diffuser misting on a side table in a calm living room

Classic · 300ml

Our signature diffuser with 7-colour LED light and remote.

Shop 300ml
AZULON 500ml ultrasonic essential oil diffuser misting in a bright airy living room

Large · 500ml

Room-filling mist for larger spaces, with 6 essential oils included.

Shop 500ml

Find your calm

Browse the full range of AZULON ultrasonic diffusers and humidifiers below.

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