Associated Press
In this Feb. 5, 2013 photo, a customer looks at her reflection as she gets her haircut at a beauty salon in Sao Paulo, Brazil. L'Oreal's tests have revealed that half of all Brazilian women smell their own hair at least once a day. The dedication to texture and scent also makes Brazil a prime testing ground for new products, said Blaise Didillon, head of research and innovation for L'Oreal Brazil. (AP Photo/Andre Penner)

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