Due to the nature of eyelash extension adhesives, they require a specific environment to work to their optimal level.  Adhesives can cure faster or slower with the introduction of high or low humidity so monitoring this is important. Elleebana adhesive optimum working environment is 45 – 60% relative humidity and a room temperature of between 20 – 28 degrees Celsius.
To monitor your room temperature and humidity you will need a hygrometer. You may also need to invest in an air conditioner, humidifier and/or dehumidifier if your room is not sitting in the correct range.