The International Nomenclature of Cosmetic Ingredients (INCI) are the unique identifiers for
cosmetic ingredients
Cosmetics ingredients come from a variety of sources but, unlike the ingredients of food, are often not considered by most consumers. Cosmetics often use vibrant colors that are derived from a wide variety of sources, ranging from crushed insect ...
such as
waxes,
oils,
pigment
A pigment is a powder used to add or alter color or change visual appearance. Pigments are completely or nearly solubility, insoluble and reactivity (chemistry), chemically unreactive in water or another medium; in contrast, dyes are colored sub ...
s, and other
chemical
A chemical substance is a unique form of matter with constant chemical composition and characteristic properties. Chemical substances may take the form of a single element or chemical compounds. If two or more chemical substances can be combin ...
s that are assigned in accordance with rules established by the
Personal Care Products Council (PCPC), previously the Cosmetic, Toiletry, and Fragrance Association (CTFA).
[Personal Care Products Council - News release November 29, 2007](_blank)
/ref> INCI names often differ greatly from systematic chemical nomenclature
Chemical nomenclature is a set of rules to generate systematic name#In chemistry, systematic names for chemical compounds. The nomenclature used most frequently worldwide is the one created and developed by the International Union of Pure and Appli ...
or from more common trivial names and is a mixture of conventional scientific name
In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...
s, Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
and English words. INCI nomenclature conventions "are continually reviewed and modified when necessary to reflect changes in the industry, technology, and new ingredient developments".[Personal Care Products Council - INCI Nomenclature Conventions](_blank)
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INCI and CAS
The relationship between a CAS Registry Number and an INCI name is not always one-to-one. In some cases, more than one INCI name may have the same CAS number, or more than one CAS number may apply to an INCI name. For example, the CAS number 1245638-61-2 has the CA Index Name of 2-Propenoic acid, reaction products with pentaerythritol. This CAS number can accurately be associated with two INCI names: Pentaerythrityl Tetraacrylate and Pentaerythrityl Triacrylate. Alternatively, the INCI name, Glucaric Acid can be associated with two CAS numbers: 87-73-0 which has the CA Index Name of D-Glucaric acid, and 25525-21-7, which has the CA Index Name of DL-Glucaric acid. Both of these examples are accurate associations between CAS and INCI.[Personal Care Products Council - Background information on INCI and CAS](_blank)
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Table of common names
Here is a table of several common names and their corresponding INCI names.
''*'' Some common names and INCI names are the same name.
INCI labeling
In the U.S., under the Food, Drug, and Cosmetic Act and the Fair Packaging and Labeling Act, certain accurate information is a requirement to appear on labels of cosmetic products.
/ref> In Canada, the regulatory guideline is the Cosmetic Regulations. Ingredient names must comply by law with EU requirements by using INCI names.
The cosmetic regulation laws are enforceable for important consumer safety. For example, the ingredients are listed on the ingredient declaration for the purchaser to reduce the risk of an allergic reaction to an ingredient the user has had an allergy to before. INCI names are mandated on the ingredient statement of every consumer personal care product. The INCI system allows the consumer to identify the ingredient content. In the U.S., true soaps (as defined by the FDA) are specifically exempted from INCI labeling requirements as cosmetics per FDA regulation.
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See also
* Ingredients of cosmetics
Cosmetics ingredients come from a variety of sources but, unlike the ingredients of food, are often not considered by most consumers. Cosmetics often use vibrant colors that are derived from a wide variety of sources, ranging from crushed inse ...
* Cosmetic, Toiletry, and Fragrance Association (CTFA)
* (REACH)
* List of cosmetic ingredients
References
External links
European Commission: Cosmetic Ingredients Database
A to Z INCI Database
{{cosmetics
Soaps
Cosmetics
Chemical nomenclature
International classification systems