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Frequently asked questions

Below is a list of the most commonly asked questions about the device. If you do not find the answer to your question here, please email us for more information.

femooi Nano Meso Device Usage

No indicator light when connecting the femooi Nano Meso Device to the charging cable?

The charging cable or power plug is not properly connected.

No response from the femooi Nano Meso Device after pressing the button?

  • The device is off. Press and hold the button for 1.5 seconds to turn it on.
  • The device is in idle mode after turning on. Short press the button to select a mode.
  • The battery is depleted. Please charge the device.
  • The infrared sensor has not detected an object. Please use it close to your face.

Cannot connect the femooi Nano Meso Device to the femooi App on the phone?

  • The device is off. Press and hold the power button for 1.5 seconds to turn it on.
  • The device has not been added to your femooi Account. Activate the device in the femooi app and follow the instructions to connect via Bluetooth.
  • Bluetooth on the phone is not turned on. Please enable Bluetooth on your phone.
  • The microprocessor has a temporary malfunction. Please restart the device.
  • Bluetooth permissions are not authorized in the iOS or Android system. Please grant authorization.

The femooi Nano Meso Device does not work after installing the serum capsule?

  • The battery is depleted. Please charge the device.
  • The infrared sensor has not detected an object. Please use it close to your face.
  • The button is in idle mode. Adjust the mode using the button.

The femooi Nano Meso Device starts operating without touching the skin after pressing the button?

  • The infrared sensor has detected another object. Ensure no other objects are within 50 cm of the device head.
  • The infrared sensor is dirty. Please clean it and try again.
  • The microprocessor has a temporary malfunction. Please restart the device.

Who should not use the femooi Nano Meso Device?

Individuals with severe skin inflammation, recent filler injections or similar treatments, psoriasis, epilepsy, allergic dermatitis, diabetes, or those who are pregnant.

Can the femooi Nano Meso Device be used around the eyes?

No. The skin around the eyes is delicate. Avoid using the device near the eye area.

At what stage of skincare should the femooi Nano Meso Device be used?

Use after cleansing. Follow up with your skincare routine as needed.

Is there any pain during the use of the femooi Nano Meso Device?

No. The nano needle tip is less than 100 nanometers thick and shorter than 130 micrometers, which is thinner than a thousands of a hair. It can penetrate the stratum corneum without damaging the dermis. There is no pain, wounds, bleeding, or swelling during use.

Is slight redness of the skin normal after using the femooi Nano Meso Device?

Yes, this is normal and should disappear within 24 hours. You can use a cold compress to accelerate recovery.

Can the serum be used multiple times?

No. Each serum capsule is for single use only. Use it immediately after opening to ensure the effectiveness of the serum ingredients.

Can the femooi Nano Meso Device be used every day?

It is recommended not to use it more than once every two days. Using it once or twice a week is optimal, but you can adjust the frequency according to your skin’s condition.

Can people with sensitive skin use the femooi Nano Meso Device?

The femooi Nano Meso Device is suitable for all skin types. However, for sensitive skin, test on your hand or behind the ear before using it on your face. Start with the lowest intensity and gradually increase as your skin adapts.

What age group is suitable for using the femooi Nano Meso Device?

Using the device early helps enhance and maintain skin health, leading to a more beautiful and youthful appearance. Skincare products applied by hand often remain on the skin’s surface, leaving issues like dryness, dullness, and fine lines unaddressed. The femooi Nano Meso Device opens skin channels, allowing serums to penetrate deeper and work more effectively.

Can the femooi Nano Meso Device be used without serum?

The femooi Nano Meso Device must be used with the dedicated serum capsules.