What is freestyle libre 3 sensor glucose monitoring system? The freestyle libre 3 cgm system is the perfect device for diabetics, providing you with continuous glucose readings automatically delivered to your smartphone. It is the smallest, most discreet sensor yet that effectively measures the glucose concentration in the body’s interstitial fluid day and night. The sensor can be worn for up to 14 days and is water resistant, continuing to work when you shower, swim or exercise. Ingredients what's included? Freestyle libre 3 cgm system ingredients usage how to use freestyle libre 3 sensor glucose monitoring system the first thing you need to do is download and set up the app. Once you have set up the app on your smartphone you can apply the sensor. Wash the area where you want to apply the sensor. Once dried, unscrew the cap of the sensor applicator and put it to one side. Place the sensor applicator over your arm. Push down firmly to put the sensor onto the back of your upper arm. Listen for the click and wait for a few seconds. Gently and slowly pull the sensor applicator away from your arm. Usage warnings precautions to consider before using freestyle libre 3 sensor glucose monitoring system if you experience an allergic reaction after using this product, discontinue use and speak to your gp or pharmacist for advice. Age restrictions this product is suitable for children aged 4 and above. Pregnancy and breastfeeding if you are pregnant or breastfeeding, think you may be pregnant or are planning to have a baby, you must ask your doctor or pharmacist for advice before using any new product. Warnings