Gillette is a brand of Procter & Gamble currently used for men’s safety razors, among other personal care products. Based in Boston,Massachusetts, United States, it was one of several brands originally owned by The Gillette Company, a leading global supplier of products under various brands, which was merged into P&G in 2005. The original Gillette Company was founded by King Camp Gillette in 1901 as a safety razor manufacturer.

Info gleaned from Wikipedia