US Patent No. 9,687,429 B2; The Trustees of Columbia University, New York, have patented a hand soap, hand sanitizer or hand cream composition that achieves more than about 4 Log10 reduction from control bacterial counts within 30 seconds of contact. It is comprised of lemongrass oil, orange oil, grapefruit seed extract, citric acid, and a combination of octanediol and 1,3 propanediol. It also contains ingredients selected from the group consisting of cationic surfactants, nonionic surfactants, ...