Interrogating Historical Data: When this skin tester is turned on, press the power button for 3 seconds to interrogate historical data, allowing you to have a deeper understanding of your skin condition.

Facial Skin Tester: Test with platinum probe for faster and more accurate results. Thanks to the precise data, you can monitor your skin condition in real time and proceed with your skin care accordingly.

Smart Reminder: When the green light of the tester is on, it means you need to continue holding. When the red light is on, it means the skin is dry and needs to be replenished in time. When the yellow light is on, it means the skin's moisture and oil are saturated; please maintain this status.