Years ago the liquid soap dispenser was in vogue in front of the soap bars or sparkling soaps. There were reasons such as ease of transportation, hygiene, packaging ...

But the studies that have been done later have given the reason to those who defended the use of foam soap which, in addition, is also used by dispenser and is no longer necessary to use it in public places in pill, with the problem that supposed to fall to the ground or that indefinite color that had as used by a few people.

Studies indicate that foam soap extends with air as opposed to the liquid that needs more water to spread.