It is no worries at all.
They perform just the way any other steel would do.
That is if they are made properly.
Hopefully, some of the makers will chime in on this subject.
My comments are made solely as a user who has a fair few Patterned steel razors

There are several good articles on Damascus/Woots/patterned steel around on SRP.
In addition, I seem to remember reading about it on Wikipedia as well.