Hydrolyzed Keratin
Hydrolyzed Keratin is a humectant and film forming ingredient. It’s in 106 products on Poliage, most often mascara, shampoo and conditioner. Avoid lists on Poliage that include it: none.
Updated October 22, 2026
In plain English
Keratin, broken into smaller pieces. Used to hold water in the product and on skin.
What it does
Contains Hydrolyzed Keratin: antistatic
Function listed in CosIng
Contains Hydrolyzed Keratin: film-forming
Function listed in CosIng
Contains Hydrolyzed Keratin: hair-conditioning
Function listed in CosIng
Contains Hydrolyzed Keratin: humectant
Function listed in CosIng
Contains Hydrolyzed Keratin: skin-conditioning
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 34437, accessed October 22, 2026.
Products that contain Hydrolyzed Keratin
Rimmel London
SCANDALEYES MASCARA WATERPROOF
Mascara · Lists drying alcohol, sulfates
Rimmel London
SCANDALEYES RETRO GLAM MASCARA
Mascara · Lists retinoid
Rimmel London
ScandalEyes Retro Glam Waterproof Mascara
Mascara · Lists retinoid
Rimmel London
Scandaleyes Volume on Demand Mascara
Mascara · Lists silicones
Rimmel London
Scandaleyes Volume on Demand Waterproof Mascara
Mascara · Lists retinoid, parabens, silicones
Rimmel London
SCANDALEYES WOW WINGS MASCARA
Mascara · Lists retinoid
Rimmel London
SCANDALEYES WOW WINGS WATERPROOF MASCARA
Mascara · Lists retinoid
Henkel
Schauma Hair Activator Coffein-Shampoo
Lists fragrance, sulfates, coconut derivatives
Henkel
Schauma Keratin Kraft Aufbau Spülung
Lists fragrance, fragrance allergens, drying alcohol, parabens
Henkel
Schauma Phyto-Coffein
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, silicones
Not Your Mother’s
Shampoo
Shampoo · Lists fragrance, coconut derivatives
Henkel
Shampoo fréquence
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Nivea
Shampooing soin douceur hydra douceur
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Palmer’s
Shampooing soin formule à l’huile de noix de coco
Lists fragrance, fragrance allergens, coconut derivatives
COVERGIRL
Simply Ageless Lash Plumping Mascara
Mascara · Lists silicones
COVERGIRL
Simply Ageless Lash Plumping Waterproof Mascara
Mascara · Lists silicones
Henkel
Sommerpflege Spülung
Lists fragrance, fragrance allergens, drying alcohol, parabens
Henkel
Sonnengeküsstes Blond Shampoo
Lists fragrance, fragrance allergens, sulfates, coconut derivatives
Henkel
Spiegelglanz 24h Glanz-Treu Spülung
Lists fragrance, fragrance allergens, drying alcohol, parabens
PRAVANA
Split End Mender
Hair styling · Lists fragrance, fragrance allergens, silicones, coconut derivatives
Henkel
Sports Power-Shampoo
Lists fragrance, sulfates, coconut derivatives
Henkel
Syoss Color Protect Shampooing
Lists fragrance, fragrance allergens, sulfates, silicones, coconut derivatives
Henkel
Syoss Shampooing perfecteur Kératine Perfection
Lists fragrance, fragrance allergens, exfoliating acid, sulfates, parabens, silicones, salicylic acid, coconut derivatives
Ouai
Thick Hair Conditioner
Conditioner · Lists fragrance, fragrance allergens, drying alcohol, silicones
Related guides
How to read an ingredient list
What the ingredient list on a beauty product tells you, what the names mean, and what it leaves out, using FDA and EU labeling rules.
Does ingredient order show how much is in a product?
Ingredient lists run from most to least, but only down to 1%. Below that, any order is allowed. What the order shows and what it hides.
How do you patch test a new product?
What the AAD, FDA and DermNet say about testing a small area, the FDA hair dye skin test, in-office patch tests, and contact allergy basics.