Are there all the tube is airless ,it is a pity to tell you,only the pump airless can make in airless .We can see the bottle of the tube to see if the tube is the airless .Some of them is the airless tube,but some of them are not because we can not squeeze the tube if we cover the pump head hole.

 

Here are the principle for the packaging of compression pump and aseptic tank.For the former,it is not basis to judge if the tube is airless or not.You can just squeeze the tube for the pump airless tube.For the aseptic tank ,it is more safe than the compression pump with the special cap which you can see the tube is squeezed automatically when you using the product .This advantage is the gel will not back to the tail which lead to the wastage for the product. 

 

With this kind of principle ,we may make the cosmetic be airless by ourselves.Here are the easy ways to do that.That we need put the customer airless aluminum squeeze tubes in the airless bag ,then make the airless bag empty air.