The Dexcom ONE+ sensor is waterproof up to 2.4 meters.
Dexcom ONE+
Gives a more comprehensive picture of glucose numbers and trends for better diabetes management without the need for finger pricks or scanning*†1-3
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Meet Dexcom ONE+
With real-time glucose tracking, personalised goals, and reports that track progress, Dexcom helps you simplify management and support improved results†‡1,3
Personalised diabetes guidance, powerful results§
Tailor protection and support to every patient
Ease of Use
Fits flexibly into your lifestyle
Help to get you started
Check Smart Device Compatibility
Ensure your device works with the Dexcom app.
Product Information
Designed for a smooth and easy start – our self-onboarding gets you set up quickly.5
*If your glucose alerts and readings Dexcom ONE+ do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions.
'Results obtained with a previous generation of Dexcom CGM systems and are applicable to Dexcom ONE+ given similar feature sets and better performance and usability.
† Compared to SMBG.
‡ Please consult with your healthcare provider and ensure all changes to your routine are aligned with your diabetes management plan.
§ Results with Dexcom CGM have been proven in over 70 clinical studies, data available on clinicaltrials.gov. Dexcom Data on File, 2025.
|| Separate Follow app and internet connection required.
¶ Insulin events can be viewed in the 'log' tab of the ONE+ app.
# Dexcom ONE+ is approved for wear on the arm and abdomen, and children 2-6 years can also wear their sensor on the upper buttocks.
** Compared to Dexcom ONE.
†† Keep display device close to the sensor. Bluetooth doesn't work as well through water. Alerts and readings will not be provided if signal loss occurs. During signal loss, use your meter to check your glucose levels and make any treatment decisions.
‡‡ The Dexcom ONE+ sensor is waterproof up to 2.4 meters.
'Results obtained with a previous generation of Dexcom CGM systems and are applicable to Dexcom ONE+ given similar feature sets and better performance and usability.
† Compared to SMBG.
‡ Please consult with your healthcare provider and ensure all changes to your routine are aligned with your diabetes management plan.
§ Results with Dexcom CGM have been proven in over 70 clinical studies, data available on clinicaltrials.gov. Dexcom Data on File, 2025.
|| Separate Follow app and internet connection required.
¶ Insulin events can be viewed in the 'log' tab of the ONE+ app.
# Dexcom ONE+ is approved for wear on the arm and abdomen, and children 2-6 years can also wear their sensor on the upper buttocks.
** Compared to Dexcom ONE.
†† Keep display device close to the sensor. Bluetooth doesn't work as well through water. Alerts and readings will not be provided if signal loss occurs. During signal loss, use your meter to check your glucose levels and make any treatment decisions.
‡‡ The Dexcom ONE+ sensor is waterproof up to 2.4 meters.
1. Lind M, et al. Diabetes Care. 2021;44(1):141-149.
2. Welsh JB, et al. J Diabetes Sci Technol. 2024;18(1):143-147.
3. Lind N, et al. Diabetes Care. 2024;47(5):881-889.
4. Nemlekar PM, et al. Diabetes Ther. 2024;15(3):639-648.
5. Dexcom ONE+ User Guide, 2025.
6. Dexcom ONE User Guide, 2023.
7. Freestyle Libre Systems User Guide, 2024.
8. Medtronic Systems User Guide, 2023.
2. Welsh JB, et al. J Diabetes Sci Technol. 2024;18(1):143-147.
3. Lind N, et al. Diabetes Care. 2024;47(5):881-889.
4. Nemlekar PM, et al. Diabetes Ther. 2024;15(3):639-648.
5. Dexcom ONE+ User Guide, 2025.
6. Dexcom ONE User Guide, 2023.
7. Freestyle Libre Systems User Guide, 2024.
8. Medtronic Systems User Guide, 2023.