Sen. Chris Dodd's (D-Conn.) latest TV ad, which will begin airing in Iowa Wednesday, features barbers asking how Dodd got his white hair.

As the ad ends Dodd walks into the barbershop, greets the barbers and asks, "How much are these haircuts?"

Fellow Democratic presidential candidate John Edwards drew criticism earlier in the year for reportedly paying $400 for a haircut. Edwards was parodied in an ad by Republican presidential candidate Rep. Tom Tancredo (R-Colo.).