The Aroma Dream Capsule Night & Day Diffuser, developed according to a patented protocol, is enriched with lavender and patchouli essential oils, known for their beneficial effects on sleep. Already ready to use, all you have to do is insert it into the Night & Day diffuser and then activate the diffusion of the fragrance at bedtime to enjoy the warm scents of rose, amber and white musk that will help you travel to dreamland. The refill is also interchangeable so that you can try out other fragrances if you wish.