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ROSA RUBIGINOSA SEED OIL PEG-8 ESTERS.

Valuable CAS - / SKIN CONDITIONING - EMOLLIENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

ROSA RUBIGINOSA SEED OIL PEG-8 ESTERS is a water-soluble derivative of Rosehip Seed Oil, chemically modified with PEG-8 to enhance its functionality within cosmetic formulations. It acts as a multifunctional ingredient, providing skin conditioning, emulsifying properties, and enhanced hydration, while delivering the core benefits of its botanical origin.

Summary

Emulsifier Skin-conditioning agent Moisturizer Antioxidant Cleansing Agent Emollient Anti-aging agent Barrier support Sebum regulator Collagen stimulator Regenerative agent

Science

Mechanism of Action

This ingredient effectively integrates the rich profile of Rosa rubiginosa seed oil into water-based systems. It delivers essential fatty acids, specifically linoleic acid (omega-6) and alpha-linolenic acid (omega-3), which are crucial for reinforcing the skin's barrier function and maintaining optimal hydration. Vitamins A, C, and E, also present from the original oil, contribute potent antioxidant protection against environmental stressors and free radical damage. Furthermore, the unmodified rosehip oil is recognized for its trans-retinoic acid content, which supports tissue regeneration, stimulates collagen production, aids in wrinkle reduction, assists with acne management, and normalizes pore size. The PEG-8 esterification specifically enhances the oil's solubility and stability in cosmetic formulations, facilitating its role as an emulsifier and skin-conditioning agent, thereby enabling broader application of its regenerative and protective benefits.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Esterification with PEG-8 significantly enhances the oil's solubility and overall stability within cosmetic formulations.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that PEGylated oils, including ROSA RUBIGINOSA SEED OIL PEG-8 ESTERS, are safe in cosmetic applications when formulated to be non-irritating. The panel highlighted the importance of rigorous purification procedures by the cosmetic industry to remove potential impurities such as ethylene oxide and 1,4-dioxane, which may be associated with ingredients containing a PEG moiety.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

ROSA RUBIGINOSA SEED OIL PEG-8 ESTERS is a valuable ingredient, effectively delivering the regenerative and protective benefits of rosehip seed oil in a water-soluble format, provided it adheres to stringent impurity control measures.

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