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For other uses, see Perfume (disambiguation).
Perfume is a mixture of fragrant essential oils and aroma compounds, fixatives, and solvents used to give the human body, objects, and living spaces a pleasant smell.
Bottles of some notable commercial perfumes: (clockwise from top left) Bois De Violette, Serge Lutens, 1992; Angel, Thierry Mugler, 1994; Shalimar, Guerlain, 1925; Beyond Paradise, Estée Lauder, 2003; No. 5, Chanel, 1921 (Pre-1950 bottle); Cabochard, Parfums Grès, 1959 (original bottle); Bellodgia, Caron, 1927; Arpège, Lanvin, 1927 (original bottle); Nombre Noir, Shiseido, 1981; Mitsouko, Guerlain, 1919; Pour Un Homme, Caron, 1934.
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Egyptian scene depicting the preparation of Lily perfume
The word perfume used today derives from the Latin "per fumum", meaning through smoke. Perfumery, or the art of making perfumes, began in ancient Mesopotamia and Egypt but was developed and further refined by the Romans and Persians. Although perfume and perfumery also existed in East Asia, much of its fragrances are incense based.
The world\'s first recorded chemist is considered to be a person named Tapputi, a perfume maker who was mentioned in a cuneiform tablet from the second millennium BC in Mesopotamia.Strathern, Paul (2000). Mendeleyev\'s Dream - The Quest For the Elements. New York: Berkley Books. ISBN 0425184676.
Recently, archaeologists have uncovered what is believed to be the world\'s oldest perfumes in Pyrgos, Cyprus. The perfumes date back more than 4,000 years. The perfumes were discovered in an ancient perfumery factory. At least 60 distilling stills, mixing bowls, funnels and perfume bottles were found in the 43,000-square-foot (4,000 m²) factory.4,000-Year-Old Perfumes Found In ancient times people used herbs and spices, like almond, coriander, myrtle, conifer resin, bergamot, but not flowers.Fox News: Ancient Perfumes Recreated, Put on Display in Rome
The Persian doctor and chemist Avicenna introduced the process of extracting oils from flowers by means of distillation, (the procedure most commonly used today). He first experimented with the rose. Until his discovery, liquid perfumes were mixtures of oil and crushed herbs, or petals which made a strong blend. Rose water was more delicate, and immediately became popular. Both of the raw ingredients and distillation technology significantly influenced western perfumery and scientific developments, particularly chemistry.
Knowledge of perfumery came to Europe as early as the 14th century due partially to the spread of Islam. But it was the Hungarians who ultimately introduced the first modern perfume. The first modern perfume, made of scented oils blended in an alcohol solution, was made in 1370 at the command of Queen Elizabeth of Hungary and was known throughout Europe as Hungary Water. The art of perfumery prospered in Renaissance Italy, and in the 16th century, Italian refinements were taken to France by Catherine de\' Medici\'s personal perfumer, Rene le Florentin. His laboratory was connected with her apartments by a secret passageway, so that no formulas could be stolen en route. France quickly became the European center of perfume and cosmetic manufacture. Cultivation of flowers for their perfume essence, which had begun in the 14th century, grew into a major industry in the south of France. During the Renaissance period, perfumes were used primarily by royalty and the wealthy to mask body odors resulting from the sanitary practices of the day. Partly due to this patronage, the western perfumery industry was created. By the 18th century, aromatic plants were being grown in the Grasse region of France to provide the growing perfume industry with raw materials. Even today, France remains the centre of the European perfume design and trade.
Shelves of perfumes
The precise formulae of commercial perfumes are kept secret. Even if they were widely published, they would be dominated by such complex chemical procedures and ingredients that they would be of little use in providing a useful description of the experience of a scent. Nonetheless, connoisseurs of perfume can become extremely skillful at identifying components and origins of scents in the same manner as wine experts Burr, Chandler (2003). The Emperor of Scent: A Story of Perfume, Obsession, and the Last Mystery of the Senses. New York: Random House. ISBN 0-375-50797-3. .
The most practical way to start describing a perfume is according to its concentration level, the family it belongs to, and the notes of the scent, which all affect the overall impression of a perfume from first application to the last lingering hint of scent Fortineau, Anne-Dominique (2004). "Chemistry Perfumes Your Daily Life". Journal of Chemical Education.81(1)Edwards, Michael (2006). "Fragrances of the World 2006". Crescent House Publishing. ISBN 0-9756097-1-8
Perfume oil is necessarily diluted with a solvent because undiluted oils (natural or synthetic) contain high concentrations of volatile components that will likely result in allergic reactions and possibly injury when applied directly to skin or clothing.
By far the most common solvent for perfume oil dilution is ethanol or a mixture of ethanol and water. Perfume oil can also be diluted by means of neutral-smelling lipids such as jojoba, fractionated coconut oil or wax. The concentration by percent/volume of perfume oil is as follows:
As the percentage of aromatic compounds increases, so does the intensity and longevity of the scent created. Different perfumeries or perfume houses assign different amounts of oils to each of their perfumes. Therefore, although the oil concentration of a perfume in Eau de Parfum (EdP) dilution will necessarily be higher than the same perfume in Eau de Toilette (EdT) from within the same range, the actual amounts can vary between perfume houses. An EdT from one house may be stronger than an EdP from another.
Furthermore, some fragrances with the same product name but having a different concentration name may not only differ in their dilutions, but actually use different perfume oil mixtures altogether. For instance, in order to make the EdT version of a fragrance brighter and fresher than its EdP, the EdT oil may be "tweaked" to contain slightly more top notes or fewer base notes. In some cases, words such as "extrême", "intense" or "concentrée" appended to fragrance names might indicate completely different fragrances that relates only because of a similar perfume accord. An example of this would be Chanel‘s Pour Monsieur and Pour Monsieur Concentrée.
Eau de Cologne (EdC) is originally a specific fragrance and trademark of a citrus nature and weak in concentration made in Cologne, Germany. However outside of Germany the term has become generic for a weakly concentrated perfume.
Grouping perfumes, like any taxonomy, can never be a completely objective or final process. Many fragrances contain aspects of different families. Even a perfume designated as "single flower", however subtle, will have undertones of other aromatics. "True" unitary scents can rarely be found in perfumes as it requires the perfume to exist only as a singular aromatic material.
Classification by olfactive family is a starting point for a description of a perfume, but it cannot by itself denote the specific characteristic of that perfume.
A Belgian perfume, which has pink color.
The traditional classification which emerged around 1900 comprised the following categories:
Since 1945, due to great advances in the technology of perfume creation (i.e., compound design and synthesis) as well as the natural development of styles and tastes; new categories have emerged to describe modern scents:
The Fragrance wheel is a relatively new classification method that is widely used in retail and in the fragrance industry. The method was created in 1983 by Michael Edwards, a consultant in the perfume industry, who designed his own scheme of fragrance classification.The new scheme was created in order to simplify fragrance classification and naming scheme, as well as to show the relationships between each of the individual classesOsborne, Grant (2001-05-01). Interview with Michael Edwards. Basenotes. Retrieved on 2006-12-17..
The five standard families consist of Floral, Oriental, Woody,Fougère, and Fresh, with the former four families being more "classic" while the latter consisting of newer bright and clean smelling citrus and oceanic fragrances that have arrived due to improvements in fragrance technology. With the exception of the Fougère family, each of the families are in turn divided into three sub-groups and arranged around a wheel:
The Fougère family is placed at the center of this wheel since they are a large family of scents that usually contain fragrance elements from each of the other four families; citrus from the fresh family, oak moss and woods from the woody family, coumarin and incense from the Oriental family, and lavender from the floral family.
In this classification scheme, Chanel No.5, which is traditionally classified as a "Floral Aldehyde" would be located under Soft Floral sub-group, and "Amber" scents would be placed within the Oriental group. As a class, Chypres is more difficult to place since they would be located under parts of the Oriental and Woody families. For instance, Guerlain Mitsouko, which is classically identified as a chypre will be placed under Mossy Woods, but Hermès Rouge, a chypre with more floral character, would be placed under Floral Oriental.
Perfume is described in a musical metaphor as having three sets of \'notes\', making the harmonious chord of the scent. The notes unfold over time, with the immediate impression of the top note leading to the deeper middle notes, and the base notes gradually appearing as the final stage. These notes are created carefully with knowledge of the evaporation process of the perfume.
Plants have long been used in perfumery as a source of essential oils and aroma compounds. These aromatics are usually secondary metabolites produced by plants as protection against herbivores, infections, as well as to attract pollinators. Plants are by far the largest source of fragrant compounds used in perfumery. The sources of these compounds may be derived from various parts of a plant. A plant can offer more than one source of aromatics, for instance the aerial portions and seeds of coriander have remarkably different odors from each other. Orange leaves, blossoms, and fruit zest are the respective sources of petit grain, neroli, and orange oils.
Modern perfumes are almost exclusively made from synthetic odorants that are commonly synthesized from coal-tar and petroleum distillates, pine resins, or other relatively cheap organic feedstock. Synthetics can provide fragrances which are not found in nature. For instance, Calone, a compound of synthetic origin, imparts a fresh ozonous metallic marine scent that is widely used in contemporary perfumes. Synthetic aromatics are often used as an alternate source of compounds that are not easily obtained from natural sources. For example, linalool and coumarin are both naturally occurring compounds that can be cheaply synthesized from terpenes. Orchid scents (typically salicylates) are usually not obtained directly from the plant itself but are instead synthetically created to match the fragrant compounds found in various orchids.
The majority of the world\'s synthetic aromatics are created by relatively few companies. They include:
Each of these companies patents several processes for the production of aromatic synthetics annually.
See Aroma compound
Before perfumes can be composed, the odorants used in various perfume compositions must first be obtained. Synthetic odorants are produced through organic synthesis and purified. Odorants from natural sources require the use of various methods to extract the aromatics from the raw materials. The results of the extraction are either essential oils, absolutes, concretes, or butters, depending on the amount of waxes in the extracted product. Camps, Arcadi Boix (2000). "Perfumery Techniques in Evolution". Allured Pub Corp. ISBN 0-931710-72-3
All these techniques will, to a certain extent, distort the odor of the aromatic compounds obtained from the raw materials. This is due to the use of heat, harsh solvents, or through exposure to oxygen in the extraction process which will denature the aromatic compounds, which either change their odor character or renders them odorless.
Although fragrant extracts are known to the general public as the generic term "essential oils", a more specific language is used in the fragrance industry to describe the source, purity, and technique used to obtain a particular fragrant extract.
Of these extracts, only absolutes, essential oils, and tinctures are directly used to formulate perfumes.
Perfume compositions are an important part of many industries ranging from the luxury goods sectors, food services industries, to manufacturers of various household chemicals. The purpose of using perfume or fragrance compositions in these industries is to affect customers through their sense of smell and entice them into purchasing the perfume or perfumed product. As such there is significant interest in producing a perfume formulation that people will find aesthetically pleasing.
The job of composing perfumes that will sell is left up to an expert on perfume composition or known in the fragrance industry as the perfumer. They are also sometimes referred to affectionately as "the Nose" due to their fine sense of smell and skill in smell composition. The perfumer is effectively an artist who is trained in depth on the concepts of fragrance aesthetics and who is capable of conveying abstract concepts and moods with their fragrance compositions. At the most rudimentary level, a perfumer must have a keen knowledge of a large variety of fragrance ingredients and their smells, and be able to distinguish each of the fragrance ingredients whether alone or in combination with other fragrances. As well, they must know how each ingredient reveals itself through time with other ingredients. The job of the perfumer is very similar to that of flavourists, who compose smells and flavourants for many commercial food products.
The composition of a perfume typically begins with a brief by the perfumer\'s employer or an outside customer. The customers to the perfumer or their employers, are typically fashion houses or large corporations of various industries. Each brief will contain the specifications for the desired perfume, and will describe in often poetic or abstract terms what the perfume should smell like or what feelings it should evoke in those who smell it, along with a maximum per litre price of the perfume oil concentrate. This allowance, along with the intended application of the perfume will determine what aromatics and fragrance ingredients can/will be used in the perfume composition.
The perfumer will then go through the process of blending multiple perfume mixtures and will attempt to capture the desired feelings specified in the brief. After presenting the perfume mixtures to the customers, the perfumer may "win" the brief with their approval, and proceed to sell the formulation to the customer, often with modifications of the composition of the perfume. This process typically spans over several months to several years. The perfume composition will then be either used to enhance another product as a functional fragrance (shampoos, make-up, detergents, car interiors, etc.), or marketed and sold directly to the public as a fine fragrance.
Alternatively, the perfumer may simply be inspired to create a perfume and produce something that later becomes marketable or successfully wins a brief. This usually happens in smaller or independent perfume houses.
Although there is no single "correct" technique for the formulation of a perfume, there are general guidelines as to how a perfume can be constructed from a concept.
Perfume oils usually contain tens to hundreds of ingredients and these are typically organized in a perfume for the specific role they will play. These ingredients can be roughly grouped into four groups:
The top, middle, and base notes of a fragrance may have separate primary scents and supporting ingredients.
The perfume\'s fragrance oils are then blended with ethyl alcohol and water, aged in tanks for a minimum of 14 days and filtered through processing equipment to remove any sediment and particles before the solution can be filled into the perfume bottles.[citation needed]
Instead of building a perfume from "ground up", many modern perfumes and colognes are made using fragrance bases or simply bases. Each base is essentially modular perfume that is blended from essential oils and aromatic chemicals, and formulated with a simple concept such as "fresh cut grass" or "juicy sour apple". Many of Guerlain\'s Aqua Allegoria line, with their simple fragrance concepts, are good examples of what perfume fragrance bases are like.
The effort used in developing bases by fragrance companies or individual perfumers may equal that of a marketed perfume, since they are useful in that they are reusable. On top of its reusability, the benefit in using bases for construction are quite numerous:
Creating perfumes through reverse engineering with analytical techniques such as GC/MS can reveal some of the formula for a particular perfume but most perfumes are difficult to analyze because of their complexity, particularly due to presence of essential oils and other ingredients consisting of complex chemical mixtures. However, "anyone armed with good GC/MS equipment and experienced in using this equipment can today, within days, find out a great deal about the formulation of any perfume... customers and competitors can analyze most perfumes more or less precisely."Calkin, Robert R. & Jellinek, J. Stephen (1994). "Perfumery: practice and principles". John Wiley & Sons, Inc.. ISBN 0-471-58934-9
Recreating perfumes in this manner is very expensive, unless one has access to the same complex ingredients as the original formulators.
Furthermore the deliberate addition of inert ingredients to obscure the formula makes identification of components difficult. Antique or badly preserved perfumes undergoing this analysis can also be difficult due to the numerous degradation by-products and impurities that may have resulted from breakdown of the odorous compounds. However, these ingredients and compounds can usually be ruled-out or identified using gas chromatograph (GC) smellers, which allow individual chemical components to be identified both through their physical properties and their scent.
Some perfume ingredients can cause health problems.Deborah Gushman (June/July 2002). The Nose Knows. Hana Hou! Vol. 5, No. 3. Evidence in peer-reviewed journals shows that some fragrances can cause asthmatic reactions even when the participants could not actually smell the fragrances[1] . Many fragrance ingredients can cause allergic skin reactions[2] or nausea. There is scientific evidence that some common ingredients, like certain synthetic musks, can disrupt the balance of hormones in the human body (endocrine disruption)[3] [4] and even cause cancer (especially in the case of the ubiquitous synthetic polycyclic molecules, assigned to the musk odor group). [5] [6] Some research on natural aromatics have shown that many contain compounds that cause skin irritationEnvironmental and Health Assessment of Substances in Household Detergents and Cosmetic Detergent Products [7], However many of the studies, such as IFRA\'s research claim that opoponax is too dangerous to be used in perfumery, are still incomplete and lack scientific consensus [8]. It is also true that sometimes inhalation alone can cause skin irritation[9]. Much remains to be learned about the effects of fragrance on human health and the environment.
In some cases, an excessive use of perfumes may cause allergic reactions of the skin. For instance, acetophenone, ethyl acetate and acetone while present in many perfumes, are also known or potential respiratory allergens.
The perfume industry is not directly regulated for safety by the FDA in the US. Instead the FDA regulates the ingredients in the perfumes themselves and require that they be tested to the extent that they are Generally recognized as safe (GRAS). Protection of trade secrets prevents the listing of ingredients that might or might not be hazardous in perfumes. In Europe, the mandatory listing of any of a number of chemicals thought to be hazardous has just begun. Nevertheless these listing may themselves be misleading, since the harm presented by many of these chemicals (either natural or synthetic) are dependent on environmental conditions. For instance, linalool, which must be listed as an irritant, only causes skin irritation when it degrades to peroxides, and the use of antioxidants in perfumes could prevent this. European versions of some old favorite perfumes, like chypres and fougeres, which require the use of oakmoss extract, are being reformulated because of these new regulations.
Musk was traditionally taken from the male musk deer Moschus moschiferus. This requires the killing of the animal in the process. Although the musk pod is produced only by a young male deer, musk hunters usually did not discriminate between the age and sex of the deers. Due to the high demand of musk and indiscriminate hunting, populations were severely depleted. As a result, the deer is now protected by law and international trade of musk from Moschus moschiferus is prohibited:
| “ | Musk deer are protected under national legislation in many countries where they are found. The musk deer populations of Afghanistan, Bhutan, India, Nepal and Pakistan are included in Appendix I of CITES, the Convention on International Trade in Endangered Species of Wild Fauna and Flora. This means that these musk deer and their derivatives are banned from international commercial trade. [10] | ” |
Due to the rarity and high price of natural musk, as well as for legal and ethical reasons, it is the policy of many perfume companies to use synthetic musk instead. Numerous synthetic musks of high quality are readily available and approved safe by IFRA. However, many synthetic musks have been found in human fat, mother\'s milk [11], and the bottom of the Great Lakes [12], .
Fragrance compounds in perfumes will degrade or break down if improperly stored in the presence of:
Proper preservation of perfumes involve keeping them away from sources of heat and storing them where they will not be exposed to light. An opened bottle will keep its aroma intact for up to a year, as long as it is full or nearly so, but as the level goes down, the presence of oxygen in the air that is contained in the bottle will alter the perfume\'s smell character, eventually distorting them.
Perfumes are best preserved when kept in light-tight aluminium bottles or in their original packaging when not in use, and refrigerated at a relatively low temperatures between 3-7 degrees Celsius. Although it is difficult to completely remove oxygen from the headspace of a stored flask of fragrance, opting for spray dispensers instead of rollers and "open" bottles will minimize oxygen exposure. Sprays also have the advantage of isolating fragrance inside a bottle and preventing it from mixing with dust, skin, and detritus, which will degrade and alter the quality of a perfume.
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