Hydrometer
$000
If you do not have a hydrometer in your room, you might be having some retention issues. It is crucial to always know and understand your temperature and humidity when it comes to traditional adhesive with Lashes this is why I have two hydrometers in my room. these are going to tell your temperature of your environment, as well as your humidity and your environment, which are two things we need to know as a Lash artist artist.