All our aromatherapy diffuser are made of top fragrance essential oil,which are extraced from the natural flowers,fruite,ect.Their smellings are so natural and isn't like artificial smelling at all.Various scent collections are provided for choosing.When you place one,the aroma will be diffuser softly,it is not too light or two strong,of course,you can adjust the aroma strength with the rattran sticker numbers.Own brand needs are our main business,we are always waiting for your inquiries!