The makers of the Wool brand of this good donated a penny to the WCTU for each wrapper returned.  
This product was the major industry of turn-of-the-20th century Nablusi, Palestine.  The makers of the Wool brand of this good donated a penny to the WCTU for each wrapper returned.  B. J. Johnson popularized a liquid form of this good.  Marketing genius Thomas J. Barratt used a John Everett Millais painting and celebrity endorsements from people such as Henry Ward Beecher to sell one of the first mass-produced brands of this good.  Castilian manufactures figured out how to make (*) all-white versions of this good.  The Marseilles type of this good is made from olive oil, although older and harsher forms of this good might be made from wood ash.  A racist ad illustrated how an Ethiopian could be turned white by using the Pears brand of this product, which was also heavily advertised on radio programs such as Clara, Lu, and Em.  For 10 points, name this hygiene product, whose manufactures sponsored radio serials targeted at women.
This product was the major industry of turn-of-the-20th century Nablusi, Palestine.  
soap [or detergent]