Fels-Naptha is an American brand of laundry soap manufactured by Summit Brands. Invented in 1893 by Fels and Company, it originally included the ingredient naphtha, effective for cleaning laundry and removing urushiol (an oil contained in poison ivy).
Fels-Naptha is an American brand of laundry soap manufactured by Summit Brands. Invented in 1893 by Fels and Company, it originally included the ingredient naphtha, effective for cleaning laundry and removing urushiol (an oil contained in poison ivy).
Source: Wikipedia "Fels-Naptha" · CC BY-SA 4.0
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