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Hello! I've reviewed the user manual for the FY-A300A Blackhead Suction Device. This document describes how to use the device for various skincare functions, including microcrystalline exfoliation, comedo suction, pore cleansing and fine line smoothing, using different interchangeable probes. The device works using vacuum pressure and is app controlled to enhance the device functionality. I'm ready to answer any questions you have about the device and its usage.
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How long should I keep the probe on my skin?
How often should I use the microcrystalline probe?
What should I avoid before or after using the device?
Can I wash the device?
Is this device suitable for pregnant women?