Does the FreeStyle Libre 3 Plus sensor contain IBOA? What is IBOA?
IBOA stands for isobornyl acrylate. It's a chemical compound used to manufacture plastic and adhesive materials such as those used in medical devices, including some continuous glucose monitors (CGMs)3.
IBOA, a skin allergen, can cause redness, itching, or irritation for some people — but not everyone will have this reaction3.