Ingredient function

HAIR DYEING — Cosmetic Ingredient Function

428 cosmetic ingredients in the EU CosIng inventory carry the HAIR DYEING function designation. These ingredients are sourced from the European Commission CosIng inventory and may appear across Annex II–VI records.

Imparting color to hair. Hair dyeing preparations may be temporary, semi-permanent, or permanent, depending on the length of time the colorant remains on the hair.

Ingredients
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Ingredients

N1-(Tris(hydroxymethyl)methyl-4-nitro-1,2-phenylenediamine; 2-[(2-amino-4-nitrophenyl)amino]-2-(hydroxymethyl)propane-1,3-diol

CAS 56932-45-7 II/1286

2-[bis(2-Hydroxyethyl)amino]-5-nitrophenol

CAS 59820-43-8 Annex III/253

4-(2',3'-Dihydroxypropyl)amino-3-nitro-trifluoromethylbenzene

CAS 104333-00-8 II/1324

1-(4-Aminophenylazo)-2-methyl-4-bis(.beta.-hydroxyethyl)aminobenzene

CAS 104226-21-3 Annex III/260

N-[6-[(2-chloro-4-hydroxyphenyl)imino]-4-methoxy-3-oxo-1,4-cyclohexadien-1-yl]acetamide

CAS 66612-11-1 II/1304

1-Methoxy-3-(.beta.-aminoethyl)amino-4-nitro-benzenehydrochloride

CAS 86419-69-4 annex III/259

HENNA

34247

2-Hydroxy-1,4-naphthoquinone

CAS 83-72-7 / 84988-66-9

Hydroxyl-2-pyridone

CAS 822-89-9 II/1249 (hypyridinone and its salts, when used as…

ISATIN

56779

1H-Indole-2,3-Dione

CAS 91-56-5 Annex III/210

Jatropha Curcas Leaf Powder is the powder obtained from the dried, ground leaves of Jatropha curcas, Euphorbiaceae.

1,2-anthracenedicarboxylic acid, 3,5,6,8-tetrahydroxy-9,10-dioxo-7-[2-hydroxy-5-(2-acetamidoethyl)phenyl-

CAS 60687-93-6 II/1279

LAWSONE

34993

2-Hydroxy-1,4-naphthoquinone (CI 75480)

CAS 83-72-7

Lawsonia Inermis Extract is an extract of the dried flowers, fruit and leaves of the Henna, Lawsonia inermis L., Lythraceae

CAS 84988-66-9

About this function

The HAIR DYEING function is assigned by the European Commission in the CosIng ingredient inventory. Ingredients may carry multiple functions depending on their chemical properties and typical cosmetic applications.

Function assignments are sourced directly from official EU CosIng data. Always verify ingredient functions against current source materials before use in regulatory submissions.