Yet at the Diamond Supermarket in central Ramallah, most of the products lining the shelves this week were Israeli or foreign.
Ms. Zeller particularly enjoyed the full-size Cowshed products lining the showers at the Soho House's High Road House in London.
And the discounters' efforts to add to the number of trendy products lining their shelves, like fluted goblets, candles and aromatherapy oils, are also helping them attract customers.
The spa in Boca Raton is contemporary and sophisticated, Mrs. Wanderley said, with videos of cosmetic procedures streaming across a flat screen, skin-care products lining another wall and before-and-after picture brochures scattered around the waiting room.
A new theory, known as the hygiene hypothesis, postulates that improvements in sanitary conditions, including the multitudes of antibacterial products lining drugstore shelves, have somehow caused immune systems to become hypersensitive to outside agents.
Back at the Museum of Failed Products, it isn't hard to imagine how another downside of the positive-thinking culture – an aversion to confronting failure – might have been responsible for the very existence of many of the products lining its shelves.
