How can we help?

Search and find answers to frequently asked questions.

Does the FreeStyle Libre 2 sensor contain IBOA or MBPA substances that could react with my sensitive skin?

No, the FreeStyle Libre 2 and FreeStyle Libre 3 sensors do not contain IBOA or MBPA*1. IBOA and MBPA are substances that have been shown to cause skin redness, itching, or irritation for certain individuals2. The FreeStyle Libre 2 sensor and the sensor adhesive do not contain either of these substances*1.

IBOA is not present in the FreeStyle Libre 2 sensor‡1.

Other CGM devices, that are not part of the FreeStyle Libre family of products, may contain IBOA and/or MBPA.

*IBOA not detected at test method limit of detection of 0.0016 μg per device. MBPA not detected at test method limit of detection of 0.0079 μg per device.

‡ Not made with this skin allergen. IBOA not detected at test method limit of detection of 0.0016 μg per device.

† Not made with this skin allergen. MBPA not detected at test method limit of detection of 0.0079 μg per device.

1 Data on file. Abbott Diabetes Care.

2 Cichoń M. International Journal of Molecular Sciences (2023). https://doi.org/10.3390/ijms241310697.


Was this information helpful?

Thank you for your feedback.

We want to help you receive the information you need. Other options you might consider:

Contact Customer Care

1-855-632-8658

Available 7 days a week 8 AM to 8 PM Eastern Time; excluding Holidays

Go to FAQ Search

ADC-2661293 v5.0 06/26