Lashes popping off??? We’ve been hearing a lot of lash techs struggling with humidity during the summer. The temperature and the humidity going up, will cause your adhesive to cure way faster than what you are used to. If you’re using 1-2 sec drying adhesive, in high humidity it can cure within 0.5-1 seconds! This means, if you’re applying lashes at the speed you’re used to, you will be applying partially dry adhesive which will result in lashes popping off right after the application - bad retention.