- The By Lise fragrance diffuser is easy to use. -Place the bottle on a flat surface and arrange the 10 rattan stems inside the bottle. - The stems will then become impregnated with fragrance and diffuse delicately and continuously for several weeks, so your home will be perfumed with a sweet scent.- Lasts approximately 3 to 4 weeks Olfactory Family: Floral, Fruity Top Notes: Ylang-Ylang, Lilac Middle Notes: Jasmine, Rose Base Notes: Vanilla, Orange Blossom