The present invention is in the field skin treatment, in particular and deep pore cleansing and delivery of benefit agents deep inside the pores. The invention further relates to air-water jet devices for providing said skin treatment. Accordingly it is an object of the invention to provide for a device and process for deep pore skin cleansing, especially, a process for skin cleansing using reduced amounts of water. We have found that a skin cleaning device comprising an air-water jet, wherein the air and water are mixed outside the nozzle(s), provides improved cleansing of skin, including deep poor cleansing, with low usage of water.