Cosmetic ingredient

HYDROGENATED CASTOR OIL

Hydrogenated Castor Oil comes from the oil pressed from the seeds of Ricinus communis, the castor plant. “Hydrogenated” means that the oil has been treated with hydrogen, so it is not the same ingredient as the liquid castor oil listed as Ricinus Communis Seed Oil.

INCIHY1 products
CAS number
8001-78-3
EC number
232-292-2

HYDROGENATED CASTOR OIL: what it is

Hydrogenated Castor Oil comes from the oil pressed from the seeds of Ricinus communis, the castor plant. “Hydrogenated” means that the oil has been treated with hydrogen, so it is not the same ingredient as the liquid castor oil listed as Ricinus Communis Seed Oil.

The starting material is plant-based, but the finished ingredient is a modified derivative. That distinction matters on an ingredient list: Hydrogenated Castor Oil is selected for the characteristics created by processing, while other castor-oil derivatives, including PEG versions, have their own composition and behavior.

HYDROGENATED CASTOR OIL: what it does in cosmetics

In a care formula, Hydrogenated Castor Oil can work as an emollient, helping the skin feel softer and less rough to the touch. It can also give a product more body and help keep oil and water evenly dispersed in creams, lotions, and other emulsions, affecting both texture and how the product spreads.

In a cleansing product, its surfactant activity can help water carry away oil and soil during rinsing. Those roles explain why it can appear in different kinds of cosmetics, but they do not make it a treatment for acne, dark spots, or wrinkles; its main contribution is to the feel and structure of the formula.

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