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HYDROGENATED CASTOR OIL HYDROXYSTEARATE.

Valuable / SKIN CONDITIONING, VISCOSITY CONTROLLING

Hydrogenated Castor Oil Hydroxystearate is a multifunctional lipid derivative that deeply nourishes and conditions the skin. It functions as an effective emollient and humectant, creating a protective barrier while actively drawing moisture into the stratum corneum.

Summary

Emollient Humectant Viscosity Controlling Skin Conditioning Anti-inflammatory Agent Sebum Balancing Agent

Science

Mechanism of Action

This ingredient operates by forming a robust occlusive barrier on the skin's surface, significantly reducing transepidermal water loss. Its unique fatty acid structure, rich in hydroxyl groups, enables it to attract and bind water molecules, thereby enhancing skin hydration. Beyond moisture retention, it promotes the regeneration of healthy skin tissues, leading to refinements in tone, texture, and overall complexion. Furthermore, it exhibits anti-inflammatory properties and may offer antibacterial benefits, potentially aiding in the management of acne. For individuals with oily skin, it can assist in regulating sebum production without contributing to pore congestion.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

A hard, waxy solid, Hydrogenated Castor Oil Hydroxystearate maintains excellent formulation stability, particularly at elevated temperatures, owing to its high melting point, typically ranging from 83-88°C. It demonstrates stability and a neutral to slightly acidic profile when dispersed in aqueous systems.

Conflicts

  • Strong oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Hydrogenated Castor Oil, primarily 12-hydroxystearic triglyceride, safe for cosmetic applications under current use practices. The U.S. Food and Drug Administration (FDA) also recognizes it as Generally Recognized As Safe (GRAS) for indirect food additive uses. It is generally considered non-toxic and non-irritating, with rat toxicity tests indicating an LD50 greater than 10g/kg. However, a small subset of individuals, particularly those with sensitive skin, might experience mild irritation, allergic reactions, or redness, necessitating patch-testing prior to broad application.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Hydrogenated Castor Oil Hydroxystearate is a valuable ingredient, offering comprehensive skin conditioning, hydration, and protection, suitable for a wide range of skin types and concerns with a favorable safety profile.

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