Research
Studies have examined the purported benefits of antibacterial soap without clear consensus about the results. Some studies have concluded that simply washing thoroughly with plain soap is sufficient to reduce bacteria and, further, is effective against viruses. Other studies have found that soaps containing antimicrobial active ingredients remove more bacteria than simply washing with plain soap and water. The U.S. Food and Drug Administration published reports that question the use of antibacterial soap and hand sanitizers saying that it found no medical studies that showed a link between a specific consumer antibacterial product and a decline in infection rates.
At one conference, Dr. Stuart Levy, a microbiologist at Tufts University, cites these studies to compare antibacterial action with antibiotic resistance: "Dousing everything we touch with antibacterial soaps and taking antibiotic medications at the first sign of a cold can upset the natural balance of microorganisms in and around us, leaving behind only the 'superbugs'."1 See Triclosan#Resistance_concerns
It has since been shown that the laboratory method used by Dr. Levy was not effective in predicting bacterial resistance for biocides like triclosan. At least seven peer-reviewed and published studies have been conducted demonstrating that triclosan is not significantly associated with bacterial resistance over the short term, including one study coauthored by Dr. Levy.
Recent research from Dr. Levy's lab (Aiello, et al., 2005) concludes that "The results from our study do not implicate the use of antibacterial cleaning and hygiene products as an influential factor in carriage of antimicrobial drug-resistant bacteria on the hands of household members." However, a more recent literature review performed by Dr. Levy (Aiello et al., 2007) concluded that "The lack of an additional health benefit associated with the use of triclosan-containing consumer soaps over regular soap, coupled with laboratory data demonstrating a potential risk of selecting for drug resistance, warrants further evaluation by governmental regulators regarding antibacterial product claims and advertising." The paper's authors called for continued research in this area.
Read more about this topic: Antibacterial Soap
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