Lash Perfect Thermo-Hygrometer
The thermo-hygrometer measures the humidity level in your treatment area. Your treatment area should be:
TEMPERATURE (measure using a thermometer)
18°C – 22°C
HUMIDITY LEVEL (measure using the thermo-hygrometer)
40% - 70%
How to measure temperature & humidity:
Use a Thermo-Hygrometer to measure the humidity, or amount of water vapour in the air, and a thermometer to measure temperature.
|How to Use||
Place in your salon or treatment area to gauge the humidity level.