ABALONE SHELL POWDER
89412Abalone Shell Powder is the powder obtained from finely, ground abalone shells, Haliotidae.
Ingredient function
224 ingredients · Page 1/5
OPACIFYING
Reducing transparency or translucency of cosmetics.
Definition provenance: European Commission CosIng ingredient-function terminology.
224 ingredients in the EU CosIng inventory carry the OPACIFYING function designation.
Ingredients with the OPACIFYING function
Acrylates/PEG-10 Maleate/Styrene Copolymer,Polyacrylate-20
CAS 68988-26-1
2-Propenoic acid, 2-methyl-, 1,2-ethenediyl ester, polymer with 2-propenyl 2-methyl-2-propenoate
CAS 182212-41-5
ALPHA-GLUCAN POLYSACCHARIDE
cosing-live-100335Alpha-Glucan Polysaccharide is a polysaccharide consisting of alpha-(1-3), alpha-(1-2) and/or alpha-(1-6) linked glucose units.
Isostearic acid, lauric acid, palmitic acid, mixture, aluminum salt
Isostearic, lauric, stearic acids mixture, aluminum salt
Isostearic acid, myristic acid, mixture, aluminum salt
Isostearic acid, palmitic acid, mixture, aluminum salt
Isostearic acid, stearic acid, mixture, aluminum salt
Myristic, palmitic acids, mixture, aluminum salt
ALUMINUM STEARATES
74235Aluminum distearate and aluminum tristearate
Ethenylbenzene, polymer with 2-propenoic acid, 2-methyl-2-propenoic acid and/or one of their simple esters, ammonium salts
Benzimidazole Diamond Amidoethyl Urea Carbamoyl Propyl Polymethylsilsesquioxane is the complex reaction product of acyl functionalized diam…
BISMUTH IRON OXIDE
cosing-live-101925Bismuth Iron Oxides is the inorganic compound prepared by reacting bismuth nitrate in acidic conditions in presence of iron nitrate.
CAS 39374-57-7/ 1304-76-3
Borage Seed Oil Polyglyceryl-4 Esters is the product obtained by the transesterification of Borago Officinalis Seed Oil and Polyglycerin-4.
Butyl Acrylate/C6-14 Perfluoroalkylethyl Acrylate/Mercaptopropyl Dimethicone Copolymer is a copolymer of 2-(perfluoro(C6-14 alkyl)) ethyl a…
CELLULOSE SUCCINATE
55315Cellulose Succinate is the ester of Cellulose and Succinic acid
CERA MICROCRISTALLINA
75078Microcristallina Cera Microcrystalline Wax (U.S.)
CAS 63231-60-7/64742-42-3
CERESIN
75087Ceresin. A complex combination of hydrocarbons produced by the purification of ozocerite with sulfuric acid and filtration through bone bla…
CAS 8001-75-0
CHARCOAL
cosing-live-98949Charcoal is the dried, carbonaceous material obtained from the heating of organic substances.
CHARCOAL EXTRACT
95137Charcoal Extract is the extract of Charcoal Powder.
Popular populated ingredient functions
These widely assigned CosIng terms provide populated comparison pages; they are not presented as semantic equivalents of the current function.
How the OPACIFYING function is used in CosIng
The OPACIFYING function is assigned by the European Commission in the CosIng ingredient inventory. This page currently lists 224 ingredients carrying that function label in the dataset, which helps you move from a functional claim to the exact ingredients that use it.
Reducing transparency or translucency of cosmetics.
Function assignments come from official EU CosIng data. They describe intended cosmetic use, but they do not replace regulatory review of each linked ingredient and any annex records tied to it.
Frequently asked questions
The OPACIFYING function, as defined in the EU CosIng database, describes the role this group of ingredients plays in a cosmetic formulation. There are currently 224 ingredients in the EU CosIng inventory assigned this function. Function labels are standardised terms used in Product Information Files (PIF) and ingredient declarations.
Yes. An ingredient's function in the CosIng inventory is independent of its regulatory status. An ingredient with the OPACIFYING function may also be listed in Annex II (prohibited), Annex III (restricted), or other annexes. Always check each ingredient's annex records for applicable conditions before formulating.
Ingredient functions are documented in the Product Information File (PIF) as part of the cosmetic product safety assessment. They describe the intended role of each ingredient in the formulation and support the safety assessor's review. Functions do not appear on consumer-facing product labels, which list only INCI names.
Use the INCI Checker to paste your full ingredient list and screen it against all Annex II–VI restrictions, CMR classifications and allergen flags from the EU CosIng database.
Tools & next steps
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Scan a full INCI list, then review which matched ingredients are tagged with the OPACIFYING function.
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See the full list of cosmetic ingredient function categories in the EU CosIng inventory.
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26 ingredients in this function have structured links to EU annex records.
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