Sweet
Poison: What Your Nose Can't Tell You
By Andrea DesJardins,
Copyright 1997
(All rights reserved. This article may be printed
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Culturally, Americans are enamored with fragrances, whereas our European counterparts are not. Not only are many of the products we use scented, but many products also have a number of scents from which to choose. Thus, not only can you buy a certain product, but you can choose between 'spring fresh,' 'mountain fresh,' or 'lemon scented' versions of that product.
Americans also love to wear fragrances. This love of fragrance has allowed advertisers to reach their audience by linking fragrance with a desired quality such as 'sexiness,' or 'freshness,' or 'innocence.' This message is so pervasive that many men and women feel it necessary to wear a fragrance in order to be desirable or feel sexy.
Advertisers and marketers also know that there is a very powerful connection between scent and memory, as well as scent and emotion, and they use this frequently in their promotions. The result is that fragrance is considered a 'normal' component of our everyday lives.
Many consumer products contain fragrances. These products include personal products (i.e. perfumes/colognes, shampoos, conditioners, hairspray, shaving cream, make-up, baby care products, deodorants, soap, feminine products, etc.), and household products (i.e. cleaners, air fresheners, bleach, laundry detergent, fabric softeners, etc.).
Perfumes make their way into our mailboxes as well. Many magazines carry "perfume strip" advertisements which waft their odor into the noses of unsuspecting readers. Some companies use scented stationary for their mass mailings. Nobody seems to think that this use of fragrances is anything by pleasant and harmless.
The problem is that fragrance products are not necessarily harmless, and many can cause some very unpleasant effects. Few people realize that there are at least 5,000 different chemicals used by the fragrance industry in the manufacture of fragrance products. Nor do they realize that a fragrance product such as perfume may contain as many as 600 individual chemical ingredients.
Of the 5,000 different chemicals
used in fragrance products, less than 20% have been tested and reported as
toxic. Many of those chemicals that have been tested are regulated by the
federal government as hazardous materials. The remaining chemicals have not
been toxicity tested, so the health effects and regulatory potential are
unknown. Of the 150 highest volume
chemicals used in fragrance products, more than 100 can be identified in the
air of a room using sophisticated testing techniques. Most of these 100
chemicals are known to be toxic.
Technically, the Food and Drug Administration oversees fragrances under the Food, Drug, and Cosmetic act. Although the FDA has jurisdiction, they actually administer very little control over fragrance products, allowing the fragrance industry to police itself. As a result, only about 16% of cosmetic products on the market have been tested for toxicity. Thus, the FDA really knows very little about the health effects of fragrance products because they do not require manufacturers to prove their products are safe. It literally requires an act of congress before the FDA can intervene with the fragrance industry to protect public health interests. However, movements to increase the documentation of adverse reactions to fragrance products with the FDA hopefully will illustrate the need for more stringent oversight of the fragrance industry.
Studies show that fragrance chemicals can cause health effects, primarily at the skin, lungs and brain. Many studies have been conducted to show that fragrance products can cause skin sensitivity, rashes, and dermatitis. In fact, skin sensitivity is one of the best known side effects of fragrances.
Fragrances have also been studied
for their effect on people with chronic lung disease, particularly asthma.
Study results differ, but some data suggests that as many as 75% of known
asthmatics (i.e. approximately 9 million people in the
Finally, a number of studies have
been conducted to show how fragrance affects the brain. Because of the strong
connection between scent and memory, we know that fragrance products can cross
the blood brain barrier. This is important because it means that fragrance
chemicals have the potential to affect, and possibly damage, brain tissue. This
kind of effect is called 'neurotoxicity.' For example, Linalool, the most
abundant chemical in perfume and fragrance products, is known to cause
lethargy, depression, and life threatening respiratory effects.
As an example of how potent
fragrance can be in the brain, one study conducted in
Other studies have shown that fragrances can alter mood and alleviate anxiety and stress. Mood, anxiety and stress are properties that are modulated by natural chemicals in the brain. That means that in order for those properties to change, a chemical change has to take place. The studies indicate that the fragrance chemicals cause that chemical change to occur in the brain.
Fragrance chemicals can enter the body through inhalation and ingestion through the nose and mouth, and absorption through the skin. Once in the body they are absorbed into the bloodstream and transported throughout the body. Individual sensitivity to the effects of fragrance chemicals vary widely from no effect at all to severe symptoms.
Symptoms experienced by some
people include: headache (migraine especially), sneezing, watery eyes, sinus
problems, anxiety, nausea, wheezing (especially in asthmatics), shortness of
breath, inability to concentrate, brain-fog, dizziness, convulsions, sore
throat, cough, chest tightness, hyperactivity (especially in children), tremor,
fatigue, lethargy, and drowsiness.
Some critics argue that people who are 'sensitive' to fragrances are actually experiencing an anxiety attack brought on by the memory of one bad experience upon the realization that they have been exposed to a fragrance. Interestingly, many sensitive people find that different fragrances consistently cause different arrays of symptoms, with some fragrances causing no ill effects at all. This experience would tend to discount the anxiety attack theory.
Further, odor isn't the cause of symptoms. Even pleasant (an not necessarily strong) smelling products, and products whose concentration is too low to be smelled, can cause symptoms, while some noxious smelling products may not even elicit a response at all.
Children are even more
susceptible than adults to the effects of fragrance chemicals, yet fragrances
are added to nearly every baby product on the market. A parent who wears
perfume or uses scented products may well be poisoning the air their children
breathe. Exposure to fragrances may result in the child having difficulty
concentrating, learning disabilities, hyperactive behavior, and even growth
retardation and seizures in extreme cases.
And even if you think that
avoiding fragranced products will protect your child, evidence shows that
fragrance chemicals can be stored in the body, showing up in breast milk in the
nursing mother. A frightening prospect indeed!
Even though there are outward
symptoms that can be evident, there may also be symptoms that we can not see.
We know that many chemicals can cause birth defects (both subtle, like learning
disabilities, and overt, like limb deformities) or make changes in DNA, but it
is often difficult, if not impossible, to link those effects to a given
exposure.
The effects of
many fragrance chemicals on health is still largely unknown. The fact
that different fragrances cause different symptoms (or no symptoms at all) may
indicate that some chemicals are more toxic than others. But until all
chemicals have been tested, we can't know which products are harmful, and which
are not. Until the time that all chemicals have been tested and the harmful one
removed from production processes, it is prudent to avoid fragranced products
as much as possible.
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Opportunities for discussion of this,
and information about other topics are available from:
Toxics Information Project (TIP), Tel. 401-351-9193 or E-Mail: TIP@toxicsinfo.org
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