It's somewhat possible that I won't even be recognized, as I have had some major reconstructive plastic surgery on my face (I look sort of pretty now!) and have allowed my hair to return to its natural color.
Isn't "cosmetic surgery" something in itself that Dubs look down upon. Should they recognise you and work out what's different, wouldn't that automatically signal to them that something's "not right"?
(I know you used the term "reconstructive", rather than "cosmetic", but don't kid yourself that they'll see it as the former and not the latter. )