Foaming Soap Cartridge is designed for the 1 litre dispenser from Natural Hygiene. The instant foaming soap means there is no need to spend time creating a lather, rinses easily from the skin leaving no residue in the sink. Up to 1,425+ hand washes per cartridge. Unique foaming action gives 50% more washes than conventional liquid soaps. For use with our complete range of soap dispensers.