Hydrogenated Castor Oil
Ingredient Info
Hydrogenated castor oil is a thickening agent and emulsifier derived from castor oil. It helps blend water and oil-based ingredients together and gives products a smooth, stable texture.
Benefits
- Improves product texture and spreadability
- Helps stabilize formulations
- Provides emollient properties
Potential concerns
- May cause skin irritation or allergic reactions in sensitive individuals
- Some formulations containing polyoxyethylene-modified versions have been associated with anaphylactoid reactions in animal studies
Science: Research in veterinary dermatology indicates that polyoxyethylene hydrogenated castor oil (a modified form used as an excipient) can trigger mast cell degranulation and anaphylactoid reactions at very low concentrations, though the relevance to typical topical skincare use in humans requires further study. General hydrogenated castor oil has a long history of cosmetic use with relatively few documented adverse effects, but individual sensitivities can occur.
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