Abies Koreana Leaf Extract is an extract of the leaves of Abies koreana, Pinaceae
Ingredient function
79 ingredients · Page 1/2
HAIR WAVING OR STRAIGHTENING
Modifying the chemical structure of the hair, allowing it to be set in the style required (permanent waves or hair straightening).
79 ingredients in the EU CosIng inventory carry the HAIR WAVING OR STRAIGHTENING function designation.
Ingredients with the HAIR WAVING OR STRAIGHTENING function
Abies Koreana Leaf Powder is the powder obtained from the dried, ground leaves of the Abies koreana, Pinaceae
Acorus Gramineus Root/Stem Extract is an extract of the roots and stems of Acorus gramineus, Araceae
CAS 91745-11-8
Adiantum Capillus Veneris leaf Extract is an extract of the leaves of the Maiden Hair Fern, Adiantum capillus veneris L., Polypodiaceae
CAS 84649-72-9
Aleurites Moluccanus Bakoly Seed Oil is the oil expressed from the seed of Aleurites molucccanus bakoly
Amidinocysteinyl Hydrolyzed Keratin is the product obtained by the reaction of Amidinocysteine and Hydrolyzed Keratin.
AMP-Acrylates/C1-18 Alkyl Acrylate/C1-8 Alkyl Acrylamide/Hydroxyethylacrylate Copolymer is a polymer of C1-18 alkyl acrylate or C1-18 alkyl…
III/61
Angelica Gigas Root Extract is an extract of the roots of Angelica gigas, Apiaceae
Bis-Aminopropyl Diglycol Dimaleate is the salt of Maleic Acid (q.v.) and the diamine formed between Diethylene Glycol (q.v.) and 1-aminopro…
CAS 1629579-82-3
BIS-GLYOXYLOYL CYSTINE
94858Bis-Glyoxyloyl Cystine is the organic compound that conforms to the formula:
Poly(oxy-2-methylbutylenepoly(3-(2-aminoethyl)aminopropyl methyl, dimethyl)silyleneoxy)dimethylsilylene-2-methylbutylenepoly(oxyethylene)) …
III/186
BUTYROLACTONETHIOL
828782(3H)-Furanone, Dihydro-3-Mercapto-; Butyric acid, 4-hydroxy-2-mercapto-, gamma-lactone
CAS 14032-62-3
Byttneria Andamanensis Bark Extract is the extract of the bark of Byttneria andamanensis, Sterculiaceae.
C8-22 Alkyl Acrylates/Methacrylic Acid Crosspolymer is a copolymer of C8-22 alkyl acrylate and methacrylic acid crosslinked with hexanediol…
Caesalpinia Spinosa Fruit Pod Extract is an extract of the fruit pods of Caesalpinia spinosa, Leguminosae
CAS 39300-88-4
CYSTEAMINE THIOGLYCOLATE
98179Cysteamine Thioglycolate is the salt of Thioglycolic Acid and Cysteamine that conforms to the formula:
DIHYDROXYACETIC ACID
97672Acetic acid, 2,2-dihydroxy-,Glyoxylic Acid Hydrate,Hydroxyglycolic Acid
GLYCERYL THIOGLYCOLATE
34112Mercaptoacetic acid, monoester with propane-1,2,3-triol
CAS 30618-84-9III/2b
GLYOXYLOYL CYSTEINE
94506Cysteine Oxoacetamide
Glyoxyloyl Hydrolyzed Wheat Protein/Sericin is the product obtained by the condensation of glyoxylic acid with Triticum Vulgare Protein and…
Oxoacetamide Amino Acids
Helianthus Annuus Extract is the extract of the whole plant, Helianthus annuus, Asteraceae.
HYDROLYZED CELLULOSE
86729Hydrolyzed Cellulose is the hydrolysate of Cellulose derived by acid, enzyme, or other method of hydrolysis
Linum Usitatissimum (Linseed) Seed Polysaccharide is the polysaccharide fraction isolated from the seeds of Linum usitatissimum, Linaceae.
LITHIUM CARBONATE
85904CAS 554-13-2
DL-Lysine, compound with S-(carboxymethyl)-L-cysteine (1:1)
CAS 79458-68-7, 49673-81-6
MEA-THIOLACTATE
35192Propanoic acid, 2-mercapto-, compound with 2-aminoethanol (1:1)
CAS 54266-38-5III/61
How the HAIR WAVING OR STRAIGHTENING function is used in CosIng
The HAIR WAVING OR STRAIGHTENING function is assigned by the European Commission in the CosIng ingredient inventory. This page currently lists 79 ingredients carrying that function label in the dataset, which helps you move from a functional claim to the exact ingredients that use it.
Modifying the chemical structure of the hair, allowing it to be set in the style required (permanent waves or hair straightening).
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 HAIR WAVING OR STRAIGHTENING function, as defined in the EU CosIng database, describes the role this group of ingredients plays in a cosmetic formulation. There are currently 79 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 HAIR WAVING OR STRAIGHTENING 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
Check your formula
Scan a full INCI list, then review which matched ingredients are tagged with the HAIR WAVING OR STRAIGHTENING function.
INCI CheckerBrowse all functions
See the full list of cosmetic ingredient function categories in the EU CosIng inventory.
All functionsSearch annex entries for HAIR WAVING OR STRAIGHTENING
Search annex entries whose names or descriptions overlap with the HAIR WAVING OR STRAIGHTENING function keyword.
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