How do I access the Lingo biosensor informational insert? All our Lingo products come with a paper insert that includes a guide on how to apply the biosensor (and other product information). Submit a request here to have a copy sent to you. Related articles Will I bleed when I apply my biosensor? Does applying a biosensor hurt? What if my biosensor comes off too soon? I am based in the US, how do I contact Customer Support? How do I recycle or dispose of my biosensor?