Well thanks to you all for the replies. To be honest I'm a bit confused. You all don't agree with each other and I'm left wondering where to turn. I think I will replace the mask and add some liners.

Appreciate all the input.

I was diagnosed about 5 years ago and have been using a full face F20 mask throughout. The skin next to my nose started getting a few years ago. I asked a dermatologist I as seeing for a different issue what I should do and he advised CeraVe, which I think is a standard reply to everything from wart...