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Laundry Fragrances, Air Fresheners May Have Dangerous Toxins

Armen Hareyan's picture
laundry air fresheners toxic

A University of Washington study of top-selling laundry products and air fresheners found the products emitted dozens of different chemicals. All six products tested gave off at least one chemical regulated as toxic or hazardous under federal laws, but none of those chemicals was listed on the product labels.

"I first got interested in this topic because people were telling me that the air fresheners in public restrooms and the scent from laundry products vented outdoors were making them sick," said Anne Steinemann, a UW professor of civil and environmental engineering and public affairs. "And I wanted to know, 'What's in these products that is causing these effects?'"

She analyzed the products to discover the chemicals' identity.

"I was surprised by both the number and the potential toxicity of the chemicals that were found," Steinemann said. Chemicals included acetone, the active ingredient in paint thinner and nail-polish remover; limonene, a molecule with a citrus scent; as well as acetaldehyde, chloromethane and 1,4-dioxane.

"Nearly 100 volatile organic compounds were emitted from these six products, and none were listed on any product label. Plus, five of the six products emitted one or more carcinogenic 'hazardous air pollutants,' which are considered by the Environmental Protection Agency to have no safe exposure level," Steinemann said.

Her study was published online today by the journal Environmental Impact Assessment Review. Steinemann chose not to disclose the brand names of the six products she tested. In a larger study of 25 cleaners, personal care products, air fresheners and laundry products, now submitted for publication, she found that many other brands contained similar chemicals.

Because manufacturers of consumer products are not required to disclose the ingredients, Steinemann analyzed the products to discover their contents. She studied three common air fresheners (a solid deodorizer disk, a liquid spray and a plug-in oil) and three laundry products (a dryer sheet, fabric softener and a detergent), selecting a top seller in each category. She bought household items at a grocery store and asked companies for samples of industrial products.

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In the laboratory, each product was placed in an isolated space at room temperature and the surrounding air was analyzed for volatile organic compounds, small molecules that evaporate from the product's surface into the air.

Results showed 58 different volatile organic compounds above a concentration of 300 micrograms per cubic meter, many of which were present in more than one of the six products. For instance, a plug-in air freshener contained more than 20 different volatile organic compounds. Of these, seven are regulated as toxic or hazardous under federal laws. The product label lists no ingredients, and information on the Material Safety Data Sheet, required for workplace handling of chemicals, lists the contents as "mixture of perfume oils."

This study does not address links between exposure to chemicals and health effects. However, two national surveys published by Steinemann and a colleague in 2004 and 2005 found that about 20 percent of the population reported adverse health effects from air fresheners, and about 10 percent complained of adverse effects from laundry products vented to the outdoors. Among asthmatics such complaints were roughly twice as common.

Manufacturers are not required to list the ingredients used in laundry products and air fresheners. Personal-care products and cleaners often contain similar fragrance chemicals, Steinemann said. And although cosmetics are required by the Food and Drug Administration to list ingredients, no law requires products of any kind to list chemicals used in fragrances.

"Fragrance chemicals are of particular interest because of the potential for involuntary exposure, or second-hand scents," Steinemann said.

"Be careful if you buy products with fragrance, because you really don't know what's in them," she added. "I'd like to see better labeling. In the meantime, I'd recommend that instead of air fresheners people use ventilation, and with laundry products, choose fragrance-free versions."

The European Union recently enacted legislation requiring products to list 26 fragrance chemicals when they are present above a certain concentration in cosmetic products and detergents. No similar laws exist in the United States.

"I hope this study will raise public awareness, and reduce exposures to potentially hazardous chemicals," said Steinemann.



How about some facts here? I found this info about the study on the web: The Steinemann study found 58 different volatile organic compounds (VOCs) at levels above a concentration of 300 parts per billion but did not list the concentration of each chemical. To put this in context, 300 parts per billion is just above the level of analytical detection for these materials. Ingredients which sound scary when listed by their chemical names are materials that occur naturally in everyday items, often in much larger quantities than may be used in fragranced products. Some examples include: alpha-Pinene (pine forests); Acetone (cheddar cheese, apple juice, strawberries); 2-Butanone (coffee, citrus fruit, grapes); Benzaldehyde (white bread – at >40,000 ppm, roasted coffee – at 2,000 ppm, apple juice – at around 300 ppm); Ethanol (blackberries, cauliflower, cherries, cucumbers); Ethyl acetate( honey, tomatoes, vinegar). It would be folly to declare the numerous pine forests lining the west and east coasts toxic or hazardous just because they give off the VOC, alpha-pinene. Even more folly to put a hazard warning on a tomato which naturally contains 8501 parts per million of benzaldehye. Or even to require forests and tomatoes to be labeled with their constituent chemicals. So why does Steinemann want the fragrance industry to label the very low levels of these same chemicals when contained in our products, and why does she impute that these chemicals are hazardous when clearly that is not the case? Adds a little balance doesn't it?
I can see an apple, a citrus fruit, a pine tree -- and IF I have a problem breathing around anyone of them, I have a chance to avoid the problem. Fragrance chemicals go unnamed in the products, you can't see that someone is using scent and petrochemically derived fragrances are harmful to breathe in let alone absorb. IF they were so safe, then why are millions living with chemical injury? There certainly is no gain in being chemically injured. There's job loss, family loss, health loss, even LIFE lost prematurely in too many cases. How's that for balance?