The skin analyzer reads an electrical resistance of your skin that will depend on the hydration. The dryer the skin, the higher the resistance. The skin full of moisture will have much lower resistance as water is excellent electricity conductor. The results on the same spot may vary, as they will depend on many factors - humidity, sweat glands activity, cosmetics, etc.
Read More
Specifications
In The Box
Digital Moisture
General
Brand
Kostech
Model Number
DigitalMoisture_101
Power Source
DC
Attachments
1 x Digital Skin Moisture Meter, Power supply: 2 x 1.5V AAA Battery, Item Package Box