As an avid cyclist, I have had allergic reactions to the adhesive and adhesive failure due to sweat(live in Central Fl.), I use an adhesive barrier like tagaderm and glue everything down with skin-tac, after I set the sensor, I wet the dex adhesive pad with more skin tac, then cover the whole conglomoration with more barrier tape. I will occasionaly reapply skin-tac during the session to keep the corners from peeling up, this has been the perfect set up for me.
I cannot take credit as I learned all of these procedures here on Tudiabetes.
By the way I have the e-mail confirmed my G4 order has been placed and I am simply waiting on a shipment confirmation:)!!!!!!!!!