Using step
Combine 40% liquid soap , 40% water and 20% air mix together or fill with foaming soap solution.
Add the emulsion and water,stir and blend then press it several times
[It can not be packed with emulsion which contain granule,which can cause nozzle clogging and no foaming.]
If the foam is not thick,the emulsion can be added appropriately.
If the foam is too thick,you can added water appropriately.