Keratins. Natural, fibrous proteins occurring in vertebrates.
How much products actually contain
3 products state the amountmedian 0.00014%
- under 0.01% 2
- 0.01–0.1% 0
- 0.1–1% 0
- 1% or more 1
Amounts are mostly stated by products named after the ingredient, so they may lean towards token amounts.
Of the products containing it, 15 list it before the 1% line and 7 after it (usually 1% or less).
Products using this ingredient
12 of 22 confirmed · likeliest to carry enough first · See all 22
OGENEXSuper Keratin Repair Clinic1.6% stated
Paul MitchellPaul Mitchell KeraTriplex Treatment
Paul MitchellPaul Mitchell Finishing Spray
Paul MitchellPaul Mitchell Cream Rinse
KERASYSAdvanced Ceramide Extreme Damage Clinic Serum
DgelHealing Potion
Paul MitchellPaul Mitchell Texturizing Sea Spray
Paul MitchellPaul Mitchell Shine Spray
KERASYSArgan Oil Treatment 1L
Paul MitchellPaul Mitchell HydraTriplex Treatment
Paul MitchellPaul Mitchell HydroCream Whip Mousse
Paul MitchellPaul Mitchell Intensive Treatment
Definition
Keratins. Natural, fibrous proteins occurring in vertebrates. They contain all of the common amino acids and are characterized by high cystine content
Cosmetic roles
Safety & regulatory references
Canada
- Conditions of Use by product type : See "Human origin, substances of" and/or "Bovine tissues and ingredients".
Source: MFDS (Korea) cosmetic regulatory information
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Reviewed by CIR: Safety Assessment of Keratin and Keratin-Derived Ingredients as Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name ケラチン: 本品は、毛髪、羊毛、角、爪又は他の類似の動物組織から得られるタンパクである。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 169799-44-4
- CAS No.chemical registry number
- 68238-35-7
- EC No.EU chemical inventory number
- 269-409-1
- DTXSIDUS EPA chemical ID
- DTXSID201010854
What products actually use it for
What the 10 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Softener and conditioner9
- Humectant1
Source: US EPA CompTox dashboard
Related literature
- Characterizing Wool Keratin · 2009
- Solution and application of the keratin · 2011
- Investigating the molecular mechanisms and mechanical properties of epithelial keratin and trichocyte keratin using multiscale modelling · 2021
- Keratin hydrolysis by dermatophytes. · 2019
- Transparent biocompatible wool keratin film prepared by mechanical compression of porous keratin hydrogel. · 2018
Linked databases 14
- Australian Industrial Chemicals Inventory (AICIS)
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- Health Canada Cosmetic Ingredient Hotlist
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- MFDS (Korea) cosmetic ingredient register 2
- MFDS (Korea) cosmetic regulatory information 2 3 4
- Tlooto literature search 2 3 4 5
- US Cosmetic Ingredient Review (CIR) 2
- US EPA CompTox dashboard
- US EPA DSSTox chemical database
- Wikidata