The Puressentiel® Midnight Pearl gentle heat diffuser for essential oils is very easy to use and maintain, thus enabling you to change essential oils regularly. Its design is an elegant addition to your living and work spaces (home, office, hotel, medical practice, beauty salon, waiting room, gym, etc.). Small, practical and silent, its controlled heat diffusion system preserves the properties and olfactory quality of the essential oils without denaturing them. It is ideal for daily use: for your peace of mind, it stops automatically after diffusing for 58 minutes. Made from insulating ceramic, you can place it on any surface, only the top part releases heat.