I’ve seen it mentioned a few places, and it had a prominent place in the SDMB thread Do Drugs Make You Ugly?
"Do not Google ‘Krokodil’ " is the advice I’ve seen in all of these places, and from the nauseated responses of those who did it anyway it’s pretty good advice.
From the thread I linked:
I rather suspect that the effects of this stuff would be hideous even if you completely removed the desomorphine from it.