If you�ve been amazed lately at how real they can make faux fur, there
may be another explanation: the Humane Society of the United States
today filed a legal petition with the Federal Trade Commission
alleging that 11 retailers have falsely labeled or advertised fur
fashions as being �faux fur.�

The Humane Society says Barneys, Neiman Marcus, Gilt, Revolve
Clothing, Yoox and other online retailers have listed real fur apparel
as faux fur on their websites. The non-profit animal protection
agency sent the garments for laboratory testing to identify the fur on
garments from brands including Woolrich, Mackage, Stuart Weitzman, and
Marc by Marc.

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full story:
http://blogs.wsj.com/runway/2011/11/22/warning-faux-fur-may-not-be-so-faux/?mod=google_news_blog