Can I wear a biosensor if I have hairy arms? June 24, 2024 13:43 Updated Yes, you can still wear a biosensor. However, you may want to shave the application area to get better adhesion. Related articles Are biosensors waterproof or water resistant? Is it true that drinking too much diet soda can affect my blood sugar? How long can I wear a biosensor? Can I use biosensors if I sweat a lot? How does my Lingo Count work?