Does applying a biosensor hurt? Don't worry, 91.6% of users we asked said that applying a biosensor was painless*. *In a study conducted by Abbott, 91.6 % of users surveyed (n=119) agree that it was painless to apply the biosensor. Data on file, Abbott. Related articles Are biosensors waterproof? How long can I wear a biosensor? Can I wear a biosensor if I have hairy arms? Release Form Lingo Homepage Claims Reference and Sourcing Information