INCI name

ARGININE/LYSINE POLYPEPTIDE

Arginine/lysine polypeptide

A synthetic polypeptide of arginine and lysine used as a skin-conditioning ingredient.

What it is

Arginine/lysine polypeptide is a polymer of the amino acids L-arginine and L-lysine, both of which carry basic side chains. CosIng lists it as a skin-conditioning ingredient.

Where it is used

Found in creams, serums and hair 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 chain length or the ratio of arginine to lysine.

Functions

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 (17)

Check a full ingredient list