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POLYGLYCERYL-4 LAURATE.

Valuable CAS 75798-42-4 / SURFACTANT - EMULSIFYING

Polyglyceryl-4 Laurate is a versatile polyglyceryl ester that functions as a highly effective emollient and emulsifier in skincare formulations. It enhances skin hydration and softness while stabilizing oil-water mixtures, contributing to superior product texture and integrity. This ingredient also acts as a mild cleansing agent and penetration enhancer, broadening its utility across various cosmetic applications.

Summary

Emulsifying Emollient Surfactant Cleansing Agent Skin Conditioning Solubilizer Moisturizer Penetration Enhancer Antimicrobial Agent

Science

Mechanism of Action

Polyglyceryl-4 Laurate interacts with the skin and product matrix through several mechanisms. As an emollient, it forms a protective layer on the skin surface, reducing trans-epidermal water loss and imparting a smooth, moisturized feel. Its emulsifying capabilities stem from its ability to reduce interfacial tension between oil and water phases, creating stable and homogeneous emulsions. Functioning as a mild surfactant, it gently lifts dirt and impurities without disrupting the skin's natural barrier. Additionally, it can act as a solubilizer and has been shown to enhance the cutaneous penetration of active ingredients, such as ceramides. Antimicrobial properties further support product preservation by inhibiting the growth of undesirable microorganisms.

Research

Clinical Evidence

High confidence
Effective range 5–10%
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

This ingredient is instrumental in forming stable emulsions, preventing the separation of products like creams and lotions over time. It exhibits strong compatibility with a wide array of active ingredients, including retinol, nicotinamide, and hyaluronic acid, without negatively impacting their efficacy or stability.

Synergies

  • Retinol
  • Nicotinamide
  • Hyaluronic Acid

Safety

Safety Profile

CIR Status
Safe as used
Max tested
10%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Polyglyceryl-4 Laurate is safe for cosmetic use under current practices and concentrations, provided it is formulated to be non-irritating. It is recognized as safe by regulatory bodies including the FDA in the US, EU, and Japan, and is generally considered non-toxic, mild, and non-irritating.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Polyglyceryl-4 Laurate is a highly valuable, multifunctional ingredient that enhances skin hydration and texture while stabilizing formulations and gently cleansing, making it suitable for all skin types due to its mild profile and broad compatibility.

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