Razor be used on both sides, with two open edges. The blade on the double-edged safety razor is slightly curved to allow for a smoother and cleaner shave. In 1901, the American inventor King Camp Gillette, with the assistance of William Nickerson, patented a new variation of safety razor with disposable blades. Gillette realized that a profit could be made by selling an inexpensive razor with disposable blades. This has been called the razor and blades business model, and has become a very common practice for a wide variety of products. Many other brands of safety razors have come and gone.
American Safety Razor Company in a management buyout. Energizer bought the privately held American Safety Razor in 2011, when it filed for bankruptcy. In 2015, Energizer spun off the personal care division as Edgewell Personal Care. Edgewell announced the sale of its Personna Industrial Division to an investment group, which renamed it AccuTec Blades. American Safety Razor Company "For the company of the same name that was founded in 1901 and renamed as the Gillette Safety Razor Company, see Gillette (brand)" American Safety Razor Company is a personal care brand founded in the early 20th century (1906) by a merging of the Gem Cutlery