
Fragrance, or parfum, is a mixture of ingredients used in cosmetics to make them smell nice. The term fragrance comes from the word fragrant, which means a pleasant, sweet scent. Fragrance is associated with perfumes, eau de parfums, and eau de colognes. The difference between these terms is the concentration of oil that distinguishes each category of fragrance. The actual materials used in fragrances are often allowed to remain secret, and some fragrance ingredients are not perfuming agents themselves but enhance the performance of perfuming agents. Fragrances can be linked to allergies and adverse health effects, and cosmetics and personal care products are not required to be tested for safety before being sold.
| Characteristics | Values |
|---|---|
| Definition | Any mixture of fragrance ingredients used in cosmetics |
| Synonyms | Fragrance, perfume |
| Composition | 30 to 50 chemicals on average, with a maximum of 200 components |
| Health effects | Allergies, skin irritation, runny eyes and nose, asthma attacks, early puberty in girls, reduced sperm count in men, reproductive defects in male fetuses, obesity and insulin resistance in men, liver and kidney failure in young children |
| Legality | The EU legally requires the disclosure of ingredients other than parfum |
| Concentration | 15-20% |
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What You'll Learn
- Fragrance is a generic term for a mixture of ingredients to make products smell nice
- Parfum is a fragrance concentrate, with the actual ingredients remaining secret
- Fragrance is linked to allergies and skin irritation, and can be harmful to those with asthma
- Synthetic musks used in fragrances are of ecological concern
- Fragrance concentration impacts the longevity and intensity of the scent

Fragrance is a generic term for a mixture of ingredients to make products smell nice
The term "fragrance" comes from the word "fragrant", which means a pleasant, sweet scent. Fragrances are associated with perfumes, eau de parfums, and eau de colognes. The main difference between these terms is the concentration of oils that they contain, which determines their price point and how long the scent lasts. Perfumes have the highest concentration of oils, between 20 and 30%, and are the most expensive. Eau de parfums have the second-highest concentration, between 15 and 20%, and are the most common type of fragrance. Eau de toilettes have a lower concentration of oils, between 5 and 15%, and are usually cheaper. Eau de colognes have the lowest concentration of oils, between 3 and 8%, and are the least expensive option.
It is important to note that fragrances can contain ingredients that may cause allergies or other health issues, especially for people with sensitive skin or multiple chemical sensitivities (MCS). Fragrances have been linked to skin irritation, runny eyes and nose, asthma attacks, and even more serious health issues such as cancer and neurotoxicity. Some fragrance ingredients, like phthalates, are also associated with adverse health effects such as early puberty in girls, reduced sperm count in men, and reproductive defects in male fetuses when the mother is exposed during pregnancy.
Despite the potential health risks, fragrances are not required to be tested for safety before being allowed on the market. However, organizations like the EWG Skin Deep program work to help consumers understand the safety of products and ingredients by providing hazard scores and data availability ratings based on scientific literature and industry databases.
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Parfum is a fragrance concentrate, with the actual ingredients remaining secret
Parfum, or fragrance, is a mixture of ingredients used in cosmetics to give them a pleasant scent. On average, fragrances are made up of 30 to 50 chemicals, but they can contain as many as 200 components.
The concentration of oil in a fragrance product determines its category. Perfume, or parfum, has the highest concentration of oil, typically between 20 and 30 percent. This high concentration makes the scent long-lasting and noticeable. Eau de parfum, or EDP, is the second-highest concentration, containing between 15 and 20 percent oil. These fragrances are designed to last all day without being overpowering. Eau de toilette (EDT) has a lower concentration of oil, usually between 5 and 15 percent, resulting in a lighter scent that may not last until the end of the day. The least concentrated type is eau de cologne, with an oil concentration of 3 to 8 percent.
While fragrances are designed to enhance products and provide a pleasant aroma, they can also have negative health impacts. Fragrances are the number one cause of contact allergies to cosmetics, and they can trigger asthma attacks and allergies. Some fragrance ingredients have also been linked to cancer and neurotoxicity.
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Fragrance is linked to allergies and skin irritation, and can be harmful to those with asthma
Parfum, or fragrance, is a generic term used to refer to a mixture of fragrance ingredients used in cosmetics. On average, fragrances are made up of 30 to 50 chemicals, but they can contain as many as 200 components. Some of these ingredients are not perfuming agents themselves but are used to enhance the performance of the agents, such as diethyl phthalate (DEP), which is widely used in cosmetic fragrances to make the scent linger.
However, fragrances are linked to allergies and skin irritation. In a 2009 survey on fragrance sensitivity, about 30 percent of the population of the United States reported irritation from a perfume, with 19 percent experiencing actual health effects. Fragrance is the number one cause of contact allergy to cosmetics, and it can be challenging to avoid perfumes that cause allergic reactions as companies are not required to disclose all ingredients, often simply listing "fragrance" on their labels.
Some common symptoms of a perfume allergy include painful boils or hives, skin infections, rashes, and trouble breathing. If you experience any of these symptoms, it is important to see a doctor as soon as possible. To determine your specific allergic triggers, you can undergo contact allergen testing, such as patch tests that expose you to small amounts of different allergens. Once you identify your triggers, you can work to avoid them by checking the labels of perfumes you want to buy.
In addition to allergies, fragrances can be harmful to those with asthma. In the UK, it is estimated that 2.5 million people find that fragrances such as perfumes or aerosols trigger their asthma symptoms, with particles in the air being breathed in and irritating the airways, leading to inflammation and narrowing of the airways, which can cause wheezing, coughing, a tight chest, and potentially life-threatening asthma attacks. A survey of asthmatics found that perfume and/or colognes triggered attacks in nearly three out of four individuals, and there is also evidence that exposure to perfume can exacerbate asthma and contribute to its development in children.
To manage asthma symptoms, it is important to take regular preventer medication as prescribed by a doctor and to avoid known triggers. It can also be helpful to communicate with friends, colleagues, and employers about how fragrances can affect your asthma and request that they refrain from wearing strong-smelling perfumes or using scented products in the workplace or shared spaces.
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Synthetic musks used in fragrances are of ecological concern
Parfum refers to any mixture of fragrance ingredients used in a variety of cosmetics, even in some products marketed as "unscented". On average, fragrances are made up of 30 to 50 chemicals, but they can have as many as 200 components.
Synthetic musks, in particular, are widely used in almost all fragrances of consumer products, such as perfumes, cosmetics, and detergents. They are structurally different yet similar in odor to their natural equivalents. Synthetic musks can be divided into four categories: macrocyclic, alicyclic, polycyclic, and nitro musks. Polycyclic musks were considered to dominate the global market due to their relatively low synthesis price and the banning/restrictions on nitro musks in many countries. However, the import/production in the European Union was reported to be equal to that of polycyclic musks in 2008, with macrocyclic musks expected to prevail.
The production of synthetic musks has been increasing year after year, subsequently followed by large concerns about their adverse effects on ecosystems and human beings. Synthetic musks have been found to have endocrine-disrupting effects, reproductive toxicity, neurotoxicity, hepatotoxicity, and enzymatic toxicity on humans and other organisms.
Several studies have reviewed the latest development of analytical methods of synthetic musks in biological samples and cosmetic products, but there is still a lack of systematic analysis of their global distribution in different environmental media. The presence of synthetic musks in drinking water and their impact on aquatic microbial communities is of particular concern. While some musk contaminants may produce significant effects on microbial communities, more data are required to determine if these effects would be significant at environmentally relevant concentrations.
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Fragrance concentration impacts the longevity and intensity of the scent
The concentration of a fragrance impacts the longevity and intensity of the scent. Fragrance concentration refers to the amount of oil in a fragrance and is a useful guide when evaluating the strength and longevity of a scent. The higher the concentration of oils, the longer the scent will last on the skin. The concentration also affects the scent's intensity.
There are several categories of fragrances based on their concentration levels. These include Parfum (or Extrait de Parfum), Eau de Parfum, Eau de Toilette, and Eau de Cologne. Parfum has the highest concentration, usually containing between 20% and 40% fragrance oils. Its longevity usually ranges from 4 to 8 hours, but it can last up to 24 hours or more. Eau de Parfum has a concentration ranging from 15% to 20%, and its longevity is similar to that of Parfum, typically lasting 6 to 8 hours. Eau de Toilette contains 5% to 15% concentration and lasts 3 to 6 hours. Eau de Cologne has the lowest concentration, ranging from 2% to 5%, and lasts for 2 to 3 hours.
It is important to note that the longevity of a fragrance can vary depending on individual factors such as skin chemistry, hormones, weather conditions, and activity level. Additionally, the type of scent molecules used can impact the longevity, as some have a higher odour intensity and can be used at lower concentrations, while others have lower intensity and may be used at higher concentrations.
When choosing a fragrance, it is essential to consider the different concentrations and their longevity on the skin. Sampling fragrances is the best way to experience how they interact with your unique body chemistry and to find the one that suits your preferences and needs.
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Frequently asked questions
"Parfum" or "fragrance" is a mixture of fragrance ingredients used in cosmetics to make them smell nice.
Fragrance is made up of 30 to 50 chemicals on average, but it can have as many as 200 components. The actual materials used are often kept secret.
The difference lies in the concentration of oils. Perfume has a concentration of 20-30% of oils, while parfum has a concentration of 15-20%.
Eau de parfum (EDP) is a common fragrance category with a concentration of 5-15% perfume oils. They are meant to last all day without being overpowering.
Fragrances are not required to be tested for safety before being sold. Fragrances can trigger asthma attacks and are the second most common cause of allergies in patients at dermatology clinics.











































