The FreeStyle Libre 14 Day CGM sensor is the part of the system that's inserted into the skin. You'll do so using the sensor applicator. Before applying your sensor, wash the area on the back of your upper arm where you'll be placing it. Clean the site with an alcohol swab and let it dry. Choose a spot that has a low chance of the sensor being knocked off. Then, prepare the sensor applicator and push it down firmly on your skin to apply the sensor.

In a small study done by the manufacturer, 92% of people agreed applying the FreeStyle Libre 14 Day sensor was painless.

To turn your FreeStyle Libre 14 Day reader off, press and hold down the home button. To turn it back on, press the home button once. You can check if the reader is working properly by selecting the settings symbol from the home screen, and then selecting "system status" and "reader test". If your reader isn't turning on at all, it might be because the battery is too low or because the temperature is too hot (the reader works within a temperature range of 50°F and 113°F).

To remove your sensor, find the edge of the adhesive. Pull up on it and slowly peel away from your skin. You'll need to replace your FreeStyle Libre 14 Day sensor every 14 days. After this time, your glucose readings might not be accurate.

Yes, you can shower with FreeStyle Libre 14 Day. The sensors are water-resistant, but you shouldn't take them deeper than 3 feet of water or let them be in water for longer than 30 minutes. Please note that the FreeStyle Libre 14 Day reader isn't water-resistant, so you should avoid getting it wet.