Since you've all been waiting for it, this is what Ma's hair looked like styled after enduring three days of Bieber Hair:
As the week wore on, her hair got flatter, which is not what straight-haired people generally like, but is actually quite desirable when you've got straightened, curly hair. As you Torontonians are aware, this was a particularly humid and rainy week, which usually causes frizz, but in my mom's case caused a tendency back towards 'The Bieber'.
I guess it's fair to say that the keratin straightening treatment works. Hurray, if that's your thing.
This is in no way an endorsement for the straightening of curly hair. EMBRACE THE CURL!!! (unless you want to be on TV, in which case it seems that straightening is the only option. Oh, and if you have a Bat Mitzvah to attend this Sunday night and your hairdresser doesn't work on Sundays, rendering you to live with a 'do' that will carry over from a Saturday appointment. But those are the only allowable circumstances!)