A device for wetting at least one sample by means of an aerosol, the device has: side walls, a base region which is bounded by the side walls, the base region adapted for receiving or interacting with a positioning device for positioning the sample, a cover region, which sits vertically opposite the base region and is bounded by the side walls. The device forms an exposure chamber and an aerosolizing device for producing an aerosol, which is arranged in the vicinity of the cover region. The aerosolizing device is arranged above the base region in such a way that the aerosolizing device at least partially covers the base region in a vertical plan view. A method for wetting at least one sample by an aerosol is also provided that includes the steps of: providing at least one sample, producing a cloud above the at least one sample in a position which at least partially covers the base region in a vertical plan view, and allowing the cloud to descend in the direction of the sample.