Just rinse it well inside and out after use.
You can also unzip the out shell and rinse the bladder well and dry it. You're worrying about something that hasn't even happened yet and may not ever. Take Willie's advice and stop worrying, it will kill you.
Those bladders are the newer fabric type that resist pinch flats much better than the gum urethane bladders of yesteryear.
I'll bet Oxycheq, DGX, and the VDH wings are/were all made at the same place in LA.
I'll bet the inner bladders are identical.
There are some outer design tweaks unique to each brand wing but that outfit can do that. You have to specify what you want and they will do it.
In Bryans case he wanted the inner bungee loop so they sewed in a piping that holds the cord.
It can also be pulled out if someone doesn't want it.
I lost my coveted 18 lb VDH wing to my steroid injected punk ass nephew and regret it to this day!
I bought a DGX 30 and it's great. Very similar and fits my many Freedom Plates very well too.
I also have an old first run Oxycheq Mach 5 40# that has an old very thick urethane bladder and I've had to patch it twice with peel and stick urethane patches from West Marine, and they are still holding fine after 10 and 15 years each. The Oxy is going on 20 years now and keeps on ticking.