If old stuff worked, it'd be proof enough that the hack was effective. I dabbed a bit of Krazy Glue onto the side of my jar, waited for it to dry, then spread on a layer of store-brand cream on ...

Other glues help things stick because of a chemical reaction. Silicone and cyanoacrylate glues, like Krazy Glue and Gorilla Glue, react with water vapor in the air and harden through a chemical ...