Keratin protein broken down into smaller fragments.
What it is
Hydrolyzed keratin is keratin, the main protein of hair, wool and feathers, broken down into peptides and amino acids. Small fragments can attach to the hair surface and act as a conditioning agent.
Where it is used
Found in shampoos, conditioners, masks and nail products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The source (often wool or feathers) is not shown by the INCI name.
Functions
- Antistatic
- Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
- Film forming
- Producing (upon application) a continuous film on the skin, hair or nails.
- Hair conditioning
- Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
- Humectant
- Retaining and/or preserving the moisture in a product during use.
- Skin conditioning
- Maintaining the skin in good condition.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.
Products with this ingredient (279)
- Hair Care Damaged Hair Shampoo with Keratin · Amalfi
- Gel Na Obočí 2000 Calorie Brow Gel · Max Factor
- Tusz do rzęs Volume Infusion · Max Factor
- Maskara False Lash Effect Supreme Refill, Wkład wymienny do Maskary · Max Factor
- False Lash Effect Supreme · Max Factor
- Żel Do Brwi 2000 Calorie Brow Gel · Max Factor
- 2000 Calorie Pro Stylist Mascara · Max Factor
- 2000 Calorie Brow Sculpt Gel · Max Factor
- Volume Infusion Mascara · Max Factor
- False Lash Effect Supreme Recharge Mascara Refill · Max Factor
- False Lash Effect Supreme Recharge Mascara · Max Factor
- Brow Revival Gel · Max Factor

