An amino acid derivative of phenylalanine and undecylenic acid, used as a skin-conditioning ingredient.
What it is
Undecylenoyl phenylalanine is N-undecylenoyl-L-phenylalanine, the amino acid phenylalanine acylated with undecylenic acid (10-undecenoic acid), an unsaturated C11 fatty acid. CosIng lists it as a skin-conditioning agent.
Where it is used
Found in creams, serums and other 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 label does not show the amount used.
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.