Nail polish can be harsh on skin and nails. Acetone can also remove artificial nails made of acrylic or cured gel. A less harsh nail polish remover is ethyl acetate, which often also contains isopropyl alcohol. Ethyl acetate is usually the original solvent for nail polish itself. Acetonitrile has been used as a nail polish remover, but it is more toxic and potentially more carcinogenic than the aforementioned options. It has been banned in the European Economic Area for use in cosmetics since 17 March 2000. The health risks associated with nail polish are disputed. According to the U.S. Department of Health
Choline chloride it accelerates growth. It forms a deep eutectic solvent with urea, ethylene glycol, glycerol, and many other compounds. It is also used as a clay control additive in fluids used for hydraulic fracturing. Other commercial choline salts are choline hydroxide and choline bitartrate. In foodstuffs the compound is often present as phosphatidylcholine. Choline chloride Choline chloride is an organic compound with the formula (CH3)3NCH2CH2OH]Cl. It is bifunctional, containing both quaternary ammonium salt and an alcohol. The cation is choline, which occurs naturally. It is a white, water soluble salt used mainly in animal feed. In the laboratory, choline can be