Face Factory Eyelash Styler V2.0 curls eyelash perfectly which was insufficient using an eyelash curler and mascara. The perfect curling effect which lasted for 8 hours without sinking. This product allows you to curl under lash. You are able to choose temperature depending on hair type. It is lightweight and takes 2 hours to charge fully. Once fully charged, it is able to use up to 50 days.