For some reason I was thinking we couldn't do anything in this challenge unless we rolled a wish for it. Then I re-read the rules and I don't see that anywhere. I re-read the postings thus far to see why I had that idea and I found this response to someone's question about making over a sim that is wearing clothes/hair you don't like.
I guess I don't have a problem with that — make sure you're fulfilling a wish though. That's my stipulation. If you simply don't like the look and want to change them and they don't have a wish, tough luck. You'll have to deal with the mohawk.
"Rolling a wish" is just a stipulation for getting a makeover/changing appearance, not all other actions in the game like cleaning, eating, right? Obviously, fulfilling wishes is part of the point of the challenge, but you don't have to have a wish to do the basics, right? I have played a challenge like that and it's actually fun, but if this isn't that restrictive, there's no sense in me driving myself nuts either
