A fibrous structural protein used for hair and skin conditioning.
What it is
Keratin is a group of fibrous proteins that occur in vertebrates, for example in hair, wool, feathers, horns and nails. According to CosIng, keratins contain all the common amino acids and are characterised by a high cystine content. CosIng lists keratin as a hair-conditioning and skin-conditioning ingredient.
Where it is used
Found in shampoos, conditioners, hair masks and nail care 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 INCI name does not reveal the animal source of the keratin. Hydrolysed keratin has a separate INCI name.
Functions
- 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.
- 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 (8)
- Odżywka do włosów wzmacniająca Push Up Effect · Eveline Cosmetics
- Recovery Conditioner · Virtue
- Dosetheory Ultra Gloss Shampoo 330mL · Dosetheory
- Dosetheory Ultra Gloss Conditioner 330mL · Dosetheory
- HASK Keratin Protein Saç Kremi · HASK
- Candy mousse & candy shampoo · Driza
- Vitamins Keratin Protein Hair Serum · Vitamins
- Masque nuit régénérateur · Scholl