Lacquer rating: mousse, a diffuser, then lacquer Photograph: Martin Karius/Rex Features
Lacquer rating: A lot Photograph: Ian Gavan/Getty Images
Lacquer rating: Two cans plus extensions and an entourage Photograph: RD/Orchon/Retna Ltd./Corbis
Lacquer rating: Keep going till it sticks [This caption was amended on 24 June 2011. The original punchline, "Ozone layer disaster" suggested that hairspray contains CFCs. This has been deleted as hairspray propellants no longer feature ozone-affecting CFCs.]
Photograph: Frank Micelotta/EMPICS Entertainment