Katrina Rosales
There is ongoing research investigating the link between perfume and breast cancer. While some sources claim that certain chemicals commonly found in perfumes, such as phthalates, parabens, and aluminum-based salts, are linked to an increased risk of breast cancer, other sources state that there is no evidence associating the use of fragranced products with cancer in humans. The topic has sparked interest in organizations such as Breast Cancer Prevention Partners (BCPP), which aims to eliminate toxic chemicals that may lead to breast cancer. The complexity of the issue is further highlighted by the fact that fragrance ingredients are often protected as trade secrets, making it challenging for consumers to make informed choices.
| Characteristics | Values |
|---|---|
| Number of chemicals used in fragrances | 3,000-4,000 |
| Chemicals linked to cancer | Phthalates, aldehydes, parabens, triclosan, benzene, toluene, styrene, aluminum-based salts |
| Chemicals linked to other health issues | Salicylates, terpenes, endocrine disruptors, birth defects, reproductive harm, asthma, allergies, cardiovascular disease, nervous system damage, migraine headaches, endocrine cancer, respiratory disorders, thyroid issues, adrenal gland function issues, immune system issues |
| Safety testing of essential oils | Many essential oils have not been thoroughly tested for safety, but most have been used for centuries without issues |
| Safety testing of fragrances | Chemicals are evaluated and assessed for safety by regulatory bodies and expert panels around the world |
| US law | Does not require companies to list ingredients in fragrances |
| Evidence of cancer causation | Scientific evidence shows that four phthalates are present in 11 of 42 perfumes; studies on young boys link the use of lavender and tea tree oil to breast development |
| Evidence of no cancer causation | There is no evidence associating the use of fragranced products with an increased risk of cancer in humans; fragrance ingredients are sometimes present at much lower concentrations in consumer products than in studies on laboratory animals that showed cancer causation |
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What You'll Learn
Contaminants in perfumes
Perfumes and colognes are widely used cosmetic products. However, their use can have adverse effects on consumers. Perfumes contain a complex mixture of chemicals that serve different purposes, including odor production, preservation, and stabilization.
Fragrance suppliers have long enjoyed federal trade secret protections, allowing them to withhold fragrance ingredients from consumers. As a result, consumers often have incomplete information about the potential hazards of the products they use.
Perfumes contain contaminants that can cause serious health issues. Some of the most common pollutants in perfumes include phthalates and their derivatives. Other pollutants found in perfumes include parabens, triclosan, salicylates, terpenes, aldehydes, benzene, toluene, styrene, and aluminum-based salts. These pollutants have been linked to various health issues, including allergies, asthma, breast cancer, endocrine cancer, reproductive disorders, nervous system damage, and migraine headaches.
Essential oils and "natural fragrances" can also have adverse health effects. While some essential oils have positive health benefits, such as antioxidant, antimicrobial, and antitumor properties, others have hormone-disrupting properties and other negative health effects. Recent studies have linked the use of lavender and tea tree oil to breast development in young boys.
Additionally, perfumes emit volatile organic compounds (VOCs) that can pose a serious threat to human health and the environment. Synthetic musks, for example, can end up in wastewater, drinking water, soil, and indoor air. They also bioaccumulate in the fatty tissue of aquatic wildlife and enter the food chain.
The specific health effects of perfumes can vary depending on factors such as age, gender, race, amount of substance used, and duration of use.
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Health effects of contaminants
While some fragrance ingredients are safe for human health and the environment, others have never been tested for safety. According to scientists, some chemicals are even known to cause cancer, hormone disruption, and reproductive harm. The fact that companies are legally allowed to use fragrances with known human carcinogens in personal care, beauty, and cleaning products is concerning. Over time, exposure to these chemicals can put your health at risk.
Essential oils and "natural fragrances" can also have adverse health effects. Essential oils are naturally occurring, complex mixtures. Their chemical composition varies widely based on geographic origin, season of harvest, extraction method, and other conditions. Some of the naturally occurring constituents of essential oils may have hormone-disrupting properties or other negative health effects. For instance, recent studies on young boys link the use of lavender and tea tree oil to breast development.
Perfumes and colognes are widely used in various communities. However, these products can have side effects on consumers. Phthalates, aldehydes, parabens, and aluminum-based salts are the most important contaminants in aromatic products that cause side effects such as allergies, breast cancer, reproductive disorders, skin allergies, nervous system damage, and migraine headaches. The incidence of complications depends on parameters such as age, gender, race, the amount of substance consumed, and duration of use.
Some of the naturally occurring constituents of fragrances can be allergens, sensitizers, carcinogens, or endocrine-disrupting chemicals, or they may have other negative health effects. However, many constituents have been shown to have positive health effects, including antioxidant, antimicrobial, and antitumor activities.
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Fragrance ingredient transparency
Fragrances or 'parfum' can consist of any of approximately 4,000 chemicals used by the fragrance industry to formulate scents for use in personal care products, cleaning products, perfumes, and home care products. Many fragrance chemicals are linked to cancer, birth defects, hormone disruption, and other chronic health problems. The single word 'fragrance' covers dozens, sometimes even hundreds, of chemicals on the product labels of beauty, cleaning, and home care products.
The International Fragrance Association (IFRA) has a palette of approximately 4,000 fragrance ingredients that perfumers use to create the scents in personal care products, cosmetics, cleaning products, and fine fragrances. IFRA estimates that these 4,000 ingredients are used by 900 expert perfumers to create 60,000 to 80,000 unique proprietary fragrance blends made up of between 50 and 250 ingredients each year.
The IFRA Transparency List is based on reporting provided by IFRA members in the 'Volume of Use Survey', which is compiled approximately every five years. The latest list, published in 2022, provides a snapshot of the ingredients used by fragrance companies around the world. This snapshot is based on a global survey of IFRA member companies and National Associations, the most recent of which was carried out in 2021. The data provided by the survey is relevant for the industry's safety assessment program managed by the Research Institute for Fragrance Materials (RIFM). RIFM publishes the resulting safety assessments in a peer-reviewed scientific journal and makes them available to the public via the open-access Fragrance Material Safety Resource Center.
While talking to brands and retailers about fragrance ingredient transparency can help move the market, it is not enough to solve the problem. To protect everyone's health, members of Congress must adopt legislation requiring full fragrance disclosure and establishing safety rules for the $70 billion fragrance industry. Currently, U.S. law does not require companies to list the ingredients in their product fragrances. The fragrance and cosmetics industries have lobbied against revealing their ingredients, arguing that fragrance mixtures should be protected as trade secrets or confidential business information.
Over the past decade, in response to consumer and worker demands for ingredient transparency, an increasing number of cosmetic companies have adopted fragrance ingredient disclosure policies. For example, in February 2017, Unilever became the first multinational to announce that it would voluntarily disclose fragrance ingredients in its entire U.S. and EU portfolio of personal care and cleaning products down to 100 ppm (0.01%). In June 2018, L'Oréal, the world's largest cosmetic company, also announced that it would begin disclosing the secret fragrance ingredients in its beauty products. In July 2018, Johnson & Johnson, the world's eighth-largest cosmetic company, announced that it would provide online disclosure of fragrance ingredients present in its baby products at concentrations of 100 ppm (0.01%) or greater.
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Hormone disruption
The use of perfumes and colognes has been associated with several adverse health effects, including allergies, breast cancer, endocrine disruption, and reproductive disorders. The presence of endocrine-disrupting chemicals in fragrances is a significant concern, as these chemicals can interfere with the body's natural hormone balance, leading to a range of potential health issues.
Endocrine-disrupting chemicals (EDCs) have been linked to a variety of negative health outcomes, including reproductive problems, metabolic disorders, and developmental issues. In the context of breast cancer, EDCs have been implicated in the disruption of hormonal pathways that can contribute to the development and progression of the disease. While the exact mechanisms are still being elucidated, there is growing evidence that suggests a link between EDC exposure and an increased risk of breast cancer.
Perfumes and colognes can contain a complex mixture of chemicals, including phthalates, parabens, triclosan, salicylates, terpenes, aldehydes, benzene, toluene, styrene, and aluminum-based salts. Many of these substances have been identified as potential endocrine disruptors. Phthalates, for example, are known to interfere with the body's androgen receptors, leading to hormonal imbalances. Parabens have also been linked to endocrine disruption, particularly in the regulation of estrogen and other hormone-related pathways.
The impact of these endocrine-disrupting chemicals on the body can be far-reaching. They can interfere with the production, secretion, transport, metabolism, binding, action, or elimination of natural hormones. This interference can lead to a range of health issues, including reproductive problems such as reduced fertility, metabolic disorders such as weight gain or insulin resistance, and developmental issues in children exposed to these chemicals during critical stages of growth.
It is worth noting that not all fragrance chemicals are harmful, and some essential oils have been associated with positive health effects, including antioxidant, antimicrobial, and antitumor properties. However, due to the potential risks associated with endocrine disruption and other negative health outcomes, there is a growing movement to increase consumer awareness, advocate for full fragrance disclosure, and establish safety regulations for the fragrance industry.
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Carcinogens in essential oils
While essential oils are naturally occurring, their chemical composition varies widely based on their geographic origin, season of harvest, extraction method, and other conditions. They are defined as a group of odorous principles soluble in alcohol and only to a limited extent in water. Essential oils consist of a mixture of esters, aldehydes, ketones, and terpenes.
Some of the naturally occurring constituents of essential oils may have hormone-disrupting properties or other negative health effects. For instance, recent studies on young boys link the use of lavender and tea tree oil to breast development.
There are carcinogenic essential oil constituents. These include asarone, estragole (methyl chavicol), safrole, and methyleugenol. Both estragole and methyleugenol are found in basil leaves and are quite concentrated in pesto. However, the WHO has declared pesto to be safe for human consumption because research has shown that anticarcinogens in basil leaves counteract the toxic effects of the carcinogens. Unfortunately, these particular anticarcinogens are not found in basil essential oils, but there are others, depending on the type of basil oil.
Rose oil, Elemi oil, and Holy Basil oil all contain very small amounts of carcinogens, but the oils are not generally considered to be carcinogenic. On the other hand, Calamus oil, Sassafras oil, and Huon Pine oil are considered to be carcinogenic and are not widely used in aromatherapy.
Perfumes and colognes can also have contaminants that lead to health complications, including breast cancer. Some of the most common pollutants found in these products include phthalates and their derivatives, parabens, triclosan, salicylates, terpenes, aldehydes, benzene, toluene, styrene, and aluminum-based salts.
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Frequently asked questions
There are over 3,000 individual fragrance ingredients used in perfumes, body lotions, hair products, cosmetics, and baby products. Some of these chemicals are known to cause cancer, including breast cancer.
Phthalates, parabens, triclosan, salicylates, terpenes, aldehydes, benzene, toluene, styrene, and aluminium-based salts are some of the harmful ingredients in perfumes that have been linked to breast cancer.
These ingredients are endocrine disruptors, which means they can interfere with the body's hormones and increase the risk of breast cancer.
Yes, these ingredients have also been linked to asthma, allergies, cardiovascular disease, nervous system damage, reproductive disorders, endocrine cancer, respiratory disorders, thyroid issues, and immune system dysfunction.
Increasing consumer awareness about the adverse health effects of these ingredients is important. Regulatory bodies and expert panels worldwide evaluate and assess the safety of fragrance chemicals. However, legislation can be implemented to require full fragrance disclosure and establish safety rules for the fragrance industry.
