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PPG-16 GLYCERYL ETHER.

Valuable CAS 25791-96-2 / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PPG-16 Glyceryl Ether is a hydrophilic polyether compound crucial for formulation stability and ingredient delivery. It functions as a versatile surfactant, enabling the creation of stable emulsions while improving product texture and feel.

Summary

surfactant emulsifier solubilizer solvent cleansing agent stabilizer skin conditioning agent

Science

Mechanism of Action

This polyether interacts effectively with water and polar solvents due to its hydrophilic nature. As a surfactant, it significantly lowers the surface tension of liquids, facilitating the uniform dispersion of oil and water phases to form stable emulsions. It also acts as an effective solubilizer and solvent, enhancing the dissolution of active ingredients within formulations and contributing to a superior product texture.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 8
0 7 14

Stability

PPG-16 Glyceryl Ether demonstrates stability within a pH range of 4.0 to 8.0 at 25°C. For optimal preservation of its integrity, it must be stored away from extreme temperatures, strong acids, strong bases, ignition sources, and direct sunlight.

Conflicts

  • strong acids
  • strong bases
  • sources of ignition
  • direct sunlight

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that polypropylene glycols (PPGs) with three or more repeating units, including PPG-16, are safe for use in cosmetic formulations, provided they are formulated to be non-irritating. This broad assessment also extends to alkyl PEG/PPG ethers like PPG-16 Glyceryl Ether. While there is no specific maximum concentration universally established for PPG-16 Glyceryl Ether itself, related PPG Stearyl Ethers have been deemed safe up to 2-10%, not exceeding 25%, and PPGs in general up to 50%. The ingredient is recognized by the FDA with a UNII code (QQQ033305K).

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

PPG-16 Glyceryl Ether is a valuable formulation aid, critical for stabilizing emulsions, enhancing active ingredient solubility, and improving overall product texture and feel across a diverse range of cosmetic applications.

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