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PEG/PPG-19/21 COPOLYMER.

Valuable / SOLVENT

PEG/PPG-19/21 COPOLYMER is a versatile synthetic polymer widely utilized in skincare formulations for its multi-functional properties. This amphiphilic ingredient primarily acts as an effective solvent, aiding in the dissolution of various components. Its unique structure, combining hydrophilic polyethylene glycol (PEG) and hydrophobic polypropylene glycol (PPG) segments, also allows it to serve as an emulsifier, humectant, and viscosity modifier.

Summary

Solvent Emulsifier Surfactant Humectant Viscosity controlling

Science

Mechanism of Action

Operating through its amphiphilic nature, PEG/PPG-19/21 COPOLYMER facilitates the uniform dispersion of immiscible substances within a formula, effectively solubilizing lipophilic ingredients in aqueous systems. Its ability to reduce surface tension allows it to function as a surfactant and stabilize emulsions. Furthermore, the hydrophilic segments contribute to drawing and retaining moisture, providing humectant benefits, while its polymeric structure helps to modify the overall texture and consistency of cosmetic products.

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 N/A
0 7 14

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed PEG Propylene Glycol Derivatives, which include compounds similar to PEG/PPG-19/21 COPOLYMER, as safe for use in cosmetics. It is noted that polypropylene glycols (PPGs) are considered safe when formulated to be non-irritating. This ingredient is permitted in EWG VERIFIED products, though it may be subject to specific usage restrictions and warnings.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG/PPG-19/21 COPOLYMER is a valuable multifunctional excipient for cosmetic formulations, offering roles as a solvent, emulsifier, humectant, and viscosity controller, with a generally safe profile as used.

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References

Sources