Op/Zon is one of a two-store hairdressing chain specializing in deep and often obscure or intense hair colors and styles. They chose their spot in the basement of Mercado Fuencarral as "a different and new location for alternative clients--not just to cut and dry," said employee Noelia.

Loyal Op/Zon customer Victoria says, "It is the only place I can find the colors I like," including the new pink hues she features here. (Photo by Eva San Juan)