I found when I had my ostomy that drying the bag helped. I ended up using the hollister new image line which has fabric covering the bag. This also made moisture stay, the wafer was fabric (like a fbric bandaid). I too had times used a blow dryer
Dx with Crohn's 1987, symptoms as early as 1984.
Temp iliostomy February 2007, reversed June 2007, Ovarian cysts, migraines, allergies (incl food allergies) , oral allergy syndrome (diff than true food allergies), Asthma, Gall Bladder removed 1999, Inguenal hernia 1987