Denatonium ethanol has been denatured using denatonium benzoate. The common name for this chemical, "denat"onium, alludes to this application. Denatonium is commonly included in placebo medications used in clinical trials to match the bitter taste of certain medications. Denatonium also discourages consumption of harmful alcohols like methanol, and additives like ethylene glycol. Denatonium is used in rubbing alcohol as an inactive ingredient. It is also added to many kinds of harmful liquids including solvents (such as nail polish remover), paints, varnishes, toiletries and other personal care items, special nail polish for preventing nail biting, and various other household products. It is
Nail (anatomy) bar. Painting the nails with coloured nail polish (also called nail lacquer and nail varnish) to improve the appearance is a common practice dating back to at least 3000 B.C. With the rise of smartphones, some analysts have noted a trend of the "nelfie" (nail selfie), wherein people share their nail art online. Guinness World Records began tracking record fingernail lengths in 1955, when a Chinese priest was listed as having fingernails long. The current record-holder for men, according to Guinness, is Shridhar Chillal from India who set the record in 1998 with a total of of nails on his