FDA Questions Effectiveness, Safety Of Anti-Bacterial Soaps
NEW YORK (CBSNewYork/AP) — If you count on anti-bacterial soaps to prevent you from getting sick, you could be wasting your money.
As CBS 2′s Amy Dardashtian reported, the U.S. Food and Drug Administration said Monday it has found no evidence that common anti-bacterial soaps prevent the spread of germs, and regulators want the makers of Dawn, Dial and other household staples to prove that their products do not pose health risks to consumers.
FDA scientists said they are revisiting the safety of triclosan and other sanitizing agents found in soap in countless kitchens and bathrooms. Recent studies suggest triclosan and similar substances can interfere with hormone levels in lab animals and spur the growth of drug-resistant bacteria.
Triclosan is present in small quantities in some soaps, but Dr. Nicole Bouvier, an assistant professor of infectious diseases at Mount Sinai Hospital, said studies show that in large quantities, the chemical can cause allergies in humans and antibiotic resistance in rats.
“The concern would be that, if a bacteria mutated to become resistant to triclosan, it may coincidentally become resistant to a different antibiotic compound,” she said.
Bouvier said, when it comes to everyday consumers, washing with regular soap is just as effective, but anti-bacterial soap may provide an added benefit to health care and restaurant workers.
Doctors first began using triclosan to sanitize before surgery. The FDA began investigating its use in over-the-counter products a few years ago and is now proposing a rule that would require manufacturers to prove that anti-bacterial soaps are safe and more effective than plain soap and water.
While the rule only applies to personal hygiene products, it has implications for a broader $1 billion industry that includes thousands of anti-bacterial products, including kitchen knives, toys, pacifiers and toothpaste. Over the last 20 years, companies have added triclosan and other cleaners to thousands of household products, touting their germ-killing benefits.
“I suspect there are a lot of consumers who assume that by using an anti-bacterial soap product, they are protecting themselves from illness, protecting their families,” said Sandra Kweder, deputy director in the FDA’s drug center. “But we don’t have any evidence that that is really the case over simple soap and water.”
A spokesman for the cleaning product industry said the FDA already has “a wealth of data” showing the benefits of anti-bacterial products.
Monday’s action affects virtually all soap products labeled anti-bacterial, including popular brands from CVS, Bath and Body Works, Ajax and many other companies.
The rule does not apply to hand sanitizers, most of which use alcohol rather than anti-bacterial chemicals.
An FDA analysis estimates it will cost companies $112.2 million to $368.8 million to comply with the new regulations, including reformulating some products and removing marketing claims from others.
The agency will accept data from companies and researchers for one year before beginning to finalize the rule.
The proposal comes more than four decades after the FDA began evaluating triclosan, triclocarban and similar ingredients. The government only agreed to publish its findings after a three-year legal battle with the Natural Resources Defense Council, an environmental group that accused the FDA of delaying action on potentially dangerous chemicals.
Triclosan is found in an estimated 75 percent of anti-bacterial liquid soaps and body washes in the U.S. More than 93 percent of anti-bacterial bar soaps also contain triclosan or triclocarban, according to the FDA.
Some consumers said the FDA ruling would have little effect on their buying habits, since they already avoid anti-bacterial soaps and scrubs.
“The regular soap works fine for me. And if I was to think about it, I would guess that those anti-bacterial soaps probably have more toxins,” said Marco Cegarra, of Fort Lauderdale, Fla.
Diane McLean, of Washington, D.C., thought the soaps always “seemed like a bad idea” because of concerns about creating drug-resistant bacteria.
The FDA was asked to investigate anti-bacterial chemicals in 1972 as part of a law designed to set guidelines for dozens of common cleaners. But the guidelines got bogged down in years of regulatory delays and missed deadlines. The agency published a preliminary draft of its findings in 1978, but never finalized the results until Monday.
Most of the research surrounding triclosan’s safety involves laboratory animals, including studies in rats that showed changes in testosterone, estrogen and thyroid hormones. Some scientists worry that such changes in humans could raise the risk of infertility, early puberty and even cancer.
FDA scientists stressed Monday that such studies are not necessarily applicable to humans, but the agency is reviewing their implications.
On a conference call with journalists, Kweder noted that the government’s National Toxicology Program is already studying whether daily skin exposure to hormone-altering chemicals could lead to cancer.
In March 2010, the European Union banned the chemical from all products that come into contact with food, such as containers and silverware.
A spokesman for the American Cleaning Institute, a soap cleaning product trade organization, said the group will submit new data to regulators, including studies showing that company products do not lead to antibiotic resistance.
“We are perplexed that the agency would suggest there is no evidence that anti-bacterial soaps are beneficial,” said Brian Sansoni. “Our industry sent the FDA in-depth data in 2008 showing that anti-bacterial soaps are more effective in killing germs when compared with non-anti-bacterial soaps.”
The group represents manufacturers including Henkel, Unilever and Dow Chemical Co.
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