An automatic washing device includes a plurality of fluidic oscillators arranged on the periphery of a rotating drum. The fluidic oscillators emit a pulsatile stream of fluid at a predetermined angle through a slit that is perpendicular or at an angle to a longitudinal axis of the oscillator. The automatic washing device can remove microorganisms from the pliant epidermal surface of a human hand that comprises brushlessly scrubbing the pliant epidermal surface of the human hand with a plurality of cleansing fluids.