A cold diffusion nebuliser that disperses essential oils as a fine, concentrated mist — no heat, no water, no dilution. Napiers Waterless Nebuliser Aroma Diffuser preserves the full aromatic profile of your oils, making it a more effective way to fill a room with scent than traditional diffusers. Why cold diffusion Heat-based diffusers can alter the chemical composition of essential oils, reducing their aromatic quality. Cold diffusion disperses oils at room temperature, keeping the scent true to the oil and more concentrated in the air. It is a cleaner, purer way to enjoy aromatherapy at home or in the office. Key features Cold diffusion technology — no heat or water required Disperses a fine, concentrated mist directly from the bottle USB-C charging — portable and easy to use anywhere Adjustable settings for intensity and timing Sleek, compact design for home, office or travel How to use Attach your essential oil bottle directly to the nebuliser, select your preferred settings and switch on. No preparation needed. By Napiers the Herbalists, Edinburgh. Essential oils sold separately.