HUMIDITY CONTROL INSERT FOR CIGARETTE PACKS

摘要

Provided herein is a humidity control insert for packages such as cigarette packs. The humidity control insert comprises a porous nonwoven fibrous substrate and a hygroscopic powder material dispersed within the porous nonwoven fibrous substrate. Further provided is a package, such as a cigarette pack, comprising the humidity control insert, wherein the humidity control insert is adapted to release moisture retained therein into an internal air space of the cigarette pack.