Esters of castor oil fatty acids and propanediol, used as emollients, emulsifiers and solvents.
What it is
Castor oil propanediol esters are obtained by transesterification of propanediol with castor oil, the seed oil of Ricinus communis. CosIng lists them as an emollient, emulsifying, hair-conditioning and solvent ingredient.
Where it is used
Found in a small number of products, such as skin care, hair care and makeup 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 proportions of mono- and diesters.
Functions
- Skin conditioning – emollient
- Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.
- Surfactant – emulsifying
- Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.
- 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.
- Solvent
- Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.