PEG/PPG-32/3 RICINOLEATE

What Is PEG/PPG-32/3 RICINOLEATE?

A high-molecular-weight PEG/PPG ester of ricinoleic acid from castor oil. With 32 PEG and 3 PPG units, this ingredient acts as a water-soluble emulsifier and mild skin-conditioning agent. It helps stabilize emulsions, improves the texture of creams, and provides a soft, conditioned after-feel.

Key Skin Benefits

• + Stabilizes emulsions — prevents phase separation in creams and lotions
• + Mild skin conditioning — leaves a soft, non-greasy feel
• + Derived from castor oil — renewable plant-based source material

Pros

• + CIR-reviewed — considered safe for cosmetic applications
• + Non-comedogenic — suitable for facial products
• + Water-dispersible — easy to formulate with
• + Good compatibility with most cosmetic ingredients

Cons

• − Limited standalone toxicology data
• − Ethoxylated — PEG content introduces trace impurity concerns
• − Rare potential for skin sensitivity from castor oil source

Specifications

Safety Ratings

Regional Regulatory Limits

Typical Usage % by Product Type

References

1. CIR (2018) — Safety Assessment of Castor Oil-Derived Ingredients as Used in Cosmetics.
2. Patel VR et al. (2016) — Castor oil: properties, uses, and optimization of processing parameters. Lipids in Health and Disease. PMID: 27592170.
3. CosIng (2025) — European Commission Cosmetic Ingredient Database. https://ec.europa.eu/growth/tools-databases/cosing/
4. EWG Skin Deep — Cosmetic Ingredient Database. https://www.ewg.org/skindeep/