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EU cosmetic ingredients, restrictions and safety
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Ingredient function 40 ingredients

DENATURANT

Rendering cosmetics unpalatable. Mostly added to cosmetics containing ethyl alcohol to make it unsuitable for ingestion.

40 ingredients in the EU CosIng inventory carry the DENATURANT function designation.

Browse annex entries for DENATURANTAll functions

Ingredients with the DENATURANT function

ANETHOLE

74302

Benzene, 1-methoxy-4-(1-propenyl)-

CAS 104-46-1

CAMPHOR

32377

1,7,7-Trimethylbicyclo[2.2.1]-2-heptanone; Bornan-2-one

CAS 464-49-3 / 76-22-2

CARAPA GUAIANENSIS SEED OIL

55153

Carapa Guaianensis Seed Oil is the fixed oil expressed from the seeds of Carapa guaianensis, Meliaceae

CAS 352458-32-3; 906347-26-0

CHLOROTHYMOL

32665

Phenol, 4-chloro-5-methyl-2-(1-methylethyl)-

CAS 89-68-9

CINNAMAL

32846

Cinnamaldehyde; 2-Propenal, 3-phenyl-

CAS 104-55-2III/76

CINNAMOMUM CASSIA LEAF OIL

75368

"Cassia Oil"; "Cassia leaf Oil"; "Cinnamon Oil Chinense". Cinnamomum Cassia Leaf Oil is the volatile oil obtained by steam distillation fro…

CAS 84961-46-6 / 8007-80-5

COAL TAR

84505

Coal Tar is a thick liquid or semi-solid obtained as a by-product in the destructive distillation of bituminous coal

CAS 8007-45-2II/420

DENATONIUM SACCHARIDE

75519

Benzenemethanaminium, N-[2-[(2,6-dimethylphenyl)amino]-2-oxoethyl]-N,N-diethyl-, salt with 1,2-benzisothiazol-3(2H)-one 1,1-dioxide

CAS 90823-38-4

EUCALYPTOL

33902

1,3,3-Trimethyl-2-oxabicyclo[2.2.2]octane; 1,8-Cineole

CAS 470-82-6

EUGENOL

33910

Phenol, 2-methoxy-4-(2-propenyl)-

CAS 97-53-0III/71

GLYCERIN

34040

Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane

CAS 56-81-5

MENTHOL

35228

Cyclohexanol, 5-methyl-2-(1-methylethyl)-

CAS 1490-04-6 / 2216-51-5 / 89-78-1 / 15356-70-4

MIBK

35359

4-Methylpentan-2-one

CAS 108-10-1

PINUS PALUSTRIS WOOD TAR

59487

Pinus Palustris Tar is the product obtained by the destructive distillation of the wood of the Swamp Pine, Pinus palustris, Pinaceae

CAS 8011-48-1

POLYSORBATE 80

36902

Sorbitan, mono-9-octadecenoate, poly(oxy-1,2-ethanediyl) derivs., (Z)-

CAS 9005-65-6

QUASSIA AMARA WOOD EXTRACT

58874

Quassia Amara Wood Extract is an extract of the wood of the Bitterwood, Quassia amara L., Simarubaceae

CAS 84604-10-4

QUASSIN

79233

(3aS,6aR,7aS,8S,11aS,11bS,11cS)-1,3a,4,5,6a,7,7a,8,11,11a,11b,11c-Dodecahydro-2,10-dimethoxy-3,8,11a,11c-tetramethyldibenzo[de,g]chromene-1…

CAS 76-78-8 / 75991-65-0

QUININE

37459

Cinchonan-9-ol, 6'-methoxy-, (8.alpha., 9R)-

CAS 130-95-0III/21

SODIUM MENTHYL SUCCINATE

95777

Butanedioic acid, 1-[5-methyl-2-(1-methylethyl)cyclohexyl] ester, sodium salt (1:1),Butanedioic acid, 1-[(1R,2S,5R)-5-methyl-2-(1-methyleth…

CAS 77341-68-5, 97439-54-8

THYMOL

38597

Phenol, 5-methyl-2-(1-methylethyl)-

CAS 89-83-8

How the DENATURANT function is used in CosIng

The DENATURANT function is assigned by the European Commission in the CosIng ingredient inventory. This page currently lists 40 ingredients carrying that function label in the dataset, which helps you move from a functional claim to the exact ingredients that use it.

Rendering cosmetics unpalatable. Mostly added to cosmetics containing ethyl alcohol to make it unsuitable for ingestion.

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 DENATURANT function, as defined in the EU CosIng database, describes the role this group of ingredients plays in a cosmetic formulation. There are currently 40 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 DENATURANT 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.
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See the full list of cosmetic ingredient function categories in the EU CosIng inventory.

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Search annex entries for DENATURANT

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