From the Ellia Collection. Our Ellia collection includes premium diffusers and the highest quality essential oils available, helps you take ambience of your living and working spaces to new levels. Incorporate essential oils into your daily life with the Ellia Soothe Diffuser. Durable enough for travel, it gently lifts the scent of your favourite essential oils into the air to transform the mood of your space. The Soothe Diffuser delivers up to 6.5 hours of continuous runtime. It features a colour-changing light The diffuser can be cleaned with a 50/50 mix of water and vinegar. Use the solution to rinse out the reservoir and plastic lid, and use a soft-bristled brush on the ultrasonic membrane to avoid damaging it.