Dial is a brand of hand soap and related products. It was the world's first antibacterial soap. It is manufactured by the Dial Corporation, an Arizona-based subsidiary of Henkel AG & Co. KGaA (Henkel Consumer Goods Inc). Dial soap was developed by chemists from Armour and Company, the meat-packing company, and introduced in the Chicago market in 1948. Armour had produced soap since 1888; its laundry soap was made from tallow, a by-product of Armour's meat production processes. Dial was made antibacterial by the addition of hexachlorophene, referred to by the company as AT-7. The name Dial was chosen because the soap promised 'round-the-clock' protection against the odor caused by perspiration. The brand was rolled out nationally in 1949.
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