(Based on Use) Scented oils; Scented oils used to produce aromas when heated; Aromatic oils; Aromatic essential oils; Essential oils; Natural essential oils; Oils for perfumes and scents; Perfume oils; Perfumery, essential oils; Pre-scented strips and cards for sampling fragrances; Reed diffusers comprised of scented oils and also including reeds and a diffuser container; Refills for electric diffusers for air fragrancing preparations; Refills for non-electric diffusers for air fragrancing pr...