A hydrolysed silk protein, used as a hair- and skin-conditioning ingredient.
What it is
Hydrolyzed sericin is the hydrolysate of sericin, the protein that coats and binds silk fibres in silkworm cocoons, broken down into smaller peptides and amino acids. CosIng lists it as a hair-conditioning and skin-conditioning ingredient.
Where it is used
Found in shampoos, conditioners, creams and other hair and skin 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 show the hydrolysis method or the molecular weight of the peptides.
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.