I use a wax sealer Cohesive, never had a leak and I am a very active 80 year old male. After changing my Convatec pouch, with my glove on I take a hair dryer and warm my hand and apply my hand with some pressure to the ring area, I do this 3 or 4 times, I feel I am making a better seal against my skin with heat of pressure. Again, never had a leak.