The adhesive build-up is causing your glue nozzle to become blocked? 
 
Try Mesci Lash Biodegradable Lint-free glue nozzle wipes. 
 
Help you to keep your glue nozzle always clean which will provide you with the following benefits:
Better Retention. Your bottle will always be airtight. A dirty glue nozzle may prevent the bottle from closing properly. Airtight bottle = less air/moisture getting into the bottle = better retention
Long usage of the glue bottle. Tired of the glue cap getting stuck to the glue nozzle? Cleaning the nozzle with the wipe will prevent this from happening