The Cosmic Diffuser

Transform everyday moments into an atmosphere of light, fragrance, and calm with The Cosmic Diffuser. Featuring a sculptural teardrop silhouette and a mesmerizing 3D firework-inspired design, this statement diffuser creates an immersive glow while gently releasing a cool, fragrant mist into your space.

With seven color-changing light options and adjustable timer settings, The Cosmic Diffuser allows you to create an ambiance that matches your mood—whether you are winding down after a long day, settling into your evening routine, reading in your favorite corner, or adding a little magic to a quiet night at home.

Why You’ll Love It

• Mesmerizing 3D firework-inspired light effect
• Seven color-changing LED light options
• Gently disperses fragrance throughout your space
• Produces a soft, cool mist for a calming atmosphere
• Sculptural teardrop silhouette doubles as statement décor
• Multiple timer settings for a personalized experience
• Creates a relaxing ambiance for evenings, self-care routines, reading, meditation, or quiet moments at home
• Beautiful when illuminated during both daytime and nighttime

Product Details

• Water tank capacity: Approximately 120 mL
• Runtime: Approximately 3–4 hours
• Timer settings: 30 minutes, 1 hour, 2 hours, or 3 hours
• Rated power: 12W
• Working voltage: DC 24V
• Power input: 110–220V
• Material: PP and ABS
• Finish: Reflective silver with an illuminated 3D firework effect
• Light settings: Seven color-changing LED options
• Power source: Plug-in adapter
• Includes: One Cosmic Diffuser, one power adapter, and operating instructions
• US electrical plug included with the US option

How to Use

Remove the diffuser cover and add clean water to the reservoir without exceeding the maximum fill line. Add a few drops of your favorite water-soluble essential oil, replace the cover, and connect the power adapter.

Press the mist button to begin diffusing and select your preferred timer setting. Use the light control to enjoy the color-changing display and create an atmosphere that feels uniquely yours.

Please Note

Essential oils are not included. For best performance, use only water-soluble essential oils intended for use with ultrasonic diffusers.

Do not overfill the water reservoir. Always place the diffuser on a flat, dry, water-resistant surface and keep the mist outlet unobstructed. Color appearance may vary slightly depending on room lighting and display settings.

The Cosmic Diffuser is designed primarily for fragrance diffusion and ambiance. It is not intended to replace a full-room humidifier.

Care Instructions

Unplug the diffuser and empty any remaining water after use. Gently wipe the water reservoir with a soft, clean cloth and allow all components to dry completely before storing.

For best performance, clean the reservoir regularly and avoid using harsh chemicals, abrasive materials, or submerging the diffuser base, electrical cord, or power adapter in water.

Shipping & Returns

Please allow 1–3 business days for order processing. Estimated delivery is generally 5–11 business days after processing, although delivery times may vary by destination, carrier conditions, and product availability.

Because each item is prepared specifically for your order, please review the product details carefully before purchasing. Returns are accepted in accordance with the Sunday Hearth Return Policy. Items must be unused, in their original condition, and meet all return eligibility requirements.