An amino acid derivative of palmitic acid, used for hair and skin conditioning.
What it is
Palmitoyl proline is N-palmitoyl-L-proline, an amide formed from palmitic acid, a fatty acid with 16 carbon atoms, and the amino acid proline. CosIng lists it as a hair-conditioning and skin-conditioning ingredient.
Where it is used
Found in a small number of products, such as hair care 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.
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.

