Can I wear a biosensor if I have hairy arms? Andrea January 25, 2024 17:25 Updated Yes, you can still wear a biosensor. However, you may want to shave the application area to get better adhesion. Related to Wear Related articles Are biosensors waterproof? How long can I wear a biosensor? Can I wear my biosensor in a sauna? Does applying a biosensor hurt? Can I use biosensors if I sweat a lot? Comments 0 comments Article is closed for comments.