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SOYBEAN OIL GLYCERETH-8 ESTERS.

Valuable CAS - / CLEANSING, SURFACTANT - CLEANSING

This ingredient functions as both an emollient, delivering skin conditioning benefits, and an effective emulsifier for cosmetic formulations. Derived from soybean oil, it helps stabilize oil and water mixtures while contributing to skin's softness and smoothness.

Summary

Skin conditioning Emulsifying agent Surfactant

Science

Mechanism of Action

SOYBEAN OIL GLYCERETH-8 ESTERS functions due to its amphiphilic molecular structure, possessing both lipophilic (oil-attracting) and hydrophilic (water-attracting) components. This enables it to reduce interfacial tension, thereby facilitating the creation and stability of oil-in-water emulsions. On the skin, it provides conditioning properties, enhancing the skin's barrier and texture.

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

As a polyethylene glycol (PEG) derivative, SOYBEAN OIL GLYCERETH-8 ESTERS is typically water-soluble and possesses broad solubility properties. For optimal stability of formulations containing soybean oil emulsions, a pH range of 6-7 is recommended to minimize degradation. General storage advice for its core component, soybean oil, includes keeping it in well-filled, airtight, light-resistant containers at temperatures not exceeding 25°C, away from atmospheric oxygen.

Conflicts

  • Calcium chloride (in soybean oil emulsions at 25°C)
  • Calcium gluconate (in soybean oil emulsions at 25°C)
  • Magnesium chloride (in soybean oil emulsions at 25°C)
  • Phenytoin sodium (in soybean oil emulsions at 25°C)
  • Tetracycline hydrochloride (in soybean oil emulsions at 25°C)
  • Amphotericin B (under specific conditions in soybean oil emulsions)
  • Numerous other drug substances, IV infusion solutions, and various ions (above certain concentrations in soybean oil emulsions)

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The CIR Expert Panel has evaluated SOYBEAN OIL GLYCERETH-8 ESTERS, also known as Soybean Oil PEG-8 Esters, and concluded it is safe for cosmetic application. This assessment is based on its chemical and functional similarities to other reviewed PEGylated oils and PEGs. The base ingredient, soybean oil, is recognized as Generally Recognized As Safe (GRAS) by the FDA for food use and is approved for specific medical applications such as parenteral nutrition.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

SOYBEAN OIL GLYCERETH-8 ESTERS is a valuable, safe ingredient offering dual benefits as a skin conditioner and an effective emulsifier, suitable for all skin types within well-formulated products.

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