Comet (cleanser)
Comet is an American brand of scouring powders and other household cleaning products manufactured by KIK Custom Products Inc. The brand was introduced in 1956 by Procter & Gamble (P&G) and sold to Prestige Brands in 2001. In 2018, Prestige Brands sold the Comet brand to KIK Custom Products Inc. P&G retained the rights to market the brand in Europe and to the professional market (non-home-consumer) in the United States. Ingredients According to the Safety Data Sheets (SDS) published by Procter & Gamble for "PGP Comet Deodorizing Cleanser with Chlorinol" and Prestige Brands for "Comet Powdered Cleanser", Comet cleanser contains 60–100% calcium carbonate (CaCO3). Ingredients that are common to all Prestige Brands Comet Powdered Cleansers are listed as: Calcium carbonate - Scrubbing agent Calcium hydroxide - pH adjuster Fragrance - Smell Green 7 - Colorant (absent in "Comet Lemon Powder") Sodium carbonate - Builder/sequestering agent Sodium linear alkylbenzenesulfonate surfactant - Cleaning agent Trichloro-s-triazinetrione - Bleach Trichloroisocyanuric acid (Symclosene) – Disinfectant The P&G Professional Comet SDS details percentages of the major component chemicals: Calcium carbonate: 60-100% Sodium carbonate: 7-13% Calcium hydroxide: 1-5% Sodium dichloro-s triazinetrione dihydrate: 1-5% (Note: Not all ingredients are listed on an SDS.) Warnings Mixing cleaning products containing