Humidifying Scent Diffusers

Collection: Humidifying Scent Diffusers

Ultrasonic Aroma Diffusers & Essential Oil Humidifiers — 62 Models

Our ultrasonic aroma diffusers combine the benefits of cool mist humidifying with aromatherapy scent diffusion in one elegant device. Add water and a few drops of your favorite fragrance or essential oil, and enjoy hours of continuous scent and moisture.

Our Most Popular Styles

  • Flame Effect Diffusers — Realistic flickering flame visuals that double as ambient lighting. Our Fireplace Aurora Flame ($54.99) and Warm Flame ($29.99) are best sellers.
  • Himalayan Salt Diffusers — Natural Himalayan salt tops that glow with warm pink light. Combines salt therapy benefits with aromatherapy. From $39.99.
  • LED Color-Changing — 7-color ambient lighting that cycles or locks to your preferred mood color. Great for nurseries and meditation spaces. From $34.99.
  • Bluetooth Speaker Diffusers — 5-in-1 devices that combine scent, humidifying, flame effect, LED lighting, and Bluetooth audio. From $59.99.
  • Classic & Sleek — Minimalist designs in ceramic, wood grain, and matte finishes. From $29.99.

What Oils to Use

These diffusers work with our full fragrance oil collection (129+ scents), pure essential oils, or any water-soluble fragrance oil. Browse by collection: hotel, nature, perfume, zodiac, or spiritual.

Key Features Across All Models

  • Ultrasonic technology — Silent operation, no heat, preserves oil integrity
  • Auto shut-off — Safely turns off when water runs out
  • Multiple timer settings — 1hr, 3hr, 6hr, or continuous modes
  • Easy to clean — Wide openings for simple rinsing
  • Coverage — Models range from 200 sq ft (bedroom) to 500+ sq ft (open plan)

Note: These are ultrasonic humidifying diffusers that use water. If you prefer a waterless cold-air diffuser (no water, no humidity), see our waterless diffuser collection.