A "foaming pump" is a device that creates foam by mixing air and a liquid, usually soap or shampoo. It makes it easier to spread and use the product because it comes out as foam instead of a regular liquid. Full definition
These are packaged in a special foam pump dispenser that adds air to the soap, causing a rich lather of foam to come out. (tropicaltraditionscanada.com)
«I bought a Dawn Direct Foam pump for my dish washing soap a long time ago. (thefrugalgirls.com)
These are packaged in a special foam pump dispenser that adds air to the soap, causing a rich lather of foam to come out. (tropicaltraditionscanada.com)