The Kaze Hair Studio in the Kaze Moóca Building in Sao Paulo Brazil is pretty neat. Its facade is designed as part of a controlled ventilation and passive temperature control system.
It also has a great central atrium with a beautiful wall of ceramic panels by the artist Fábio Flaks.
Seen at: http://www.noticiasarquitectura.info/noticiasEn/news4967.aspx
And : http://www.archdaily.com/53918/kaze-hair-salon-forte-gimenes-marcondes-ferraz-arquitetos/