Hydrolysed lupin protein modified with octenyl succinic anhydride, listed as a skin-protecting ingredient.
What it is
Hydrolyzed lupine protein octenylsuccinate is, according to CosIng, the reaction product of octenyl succinic anhydride with hydrolysed lupin protein, a protein from the seeds of lupin, a legume. The reaction attaches a short fatty chain to the protein fragments. CosIng lists it as a skin-protecting ingredient.
Where it is used
Appears on the ingredient lists of a small number of 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 used or the size of the resulting fragments. As a natural material, its composition can vary between batches.
Functions
- Skin protecting
- Helping to avoid harmful effects to the skin from external factors.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

