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POLYGLYCERYL-3 TRISILOXANE.

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

Polyglyceryl-3 Trisiloxane is a polyglyceryl-siloxane derivative that serves as a multi-functional ingredient, primarily acting as an emulsifier to stabilize formulations. It also functions as a skin conditioning agent, providing enhanced hydration and contributing to a luxuriously smooth skin feel.

Summary

Emulsifier Skin Conditioning Agent Film Former Texture Enhancer Hydration Booster

Science

Mechanism of Action

This ingredient forms a lightweight, protective film on the skin's surface, which effectively reduces transepidermal water loss and locks in moisture, thereby supporting the skin's natural moisture balance. This barrier additionally helps to shield the skin from various environmental stressors. Furthermore, Polyglyceryl-3 Trisiloxane enhances the spreadability of cosmetic products and imparts a desirable silky texture.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Trisiloxane surfactants are known for their hydrolytic lability, meaning their siloxane bonds can degrade in aqueous mixtures, especially at elevated temperatures and lower pH levels. Stability can be enhanced by incorporating an immiscible hydrocarbon phase, which limits water access to the siloxane bonds.

Conflicts

  • Peptides
  • Glycolic acid
  • Low pH (due to siloxane bond stability)

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed Polyglyceryl-3 Trisiloxane, along with structurally similar polyoxyalkylene siloxane copolymers, and concluded they are safe for use in cosmetic products under current practices. While Polyglycerin-3, a component, has GHS classifications for skin and eye irritation, the overall safety assessment for the copolymer forms indicates low irritancy in formulated cosmetics.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Polyglyceryl-3 Trisiloxane is a versatile ingredient that enhances formulation stability, improves skin hydration, and delivers a superior sensory experience, making it a valuable asset for diverse skincare products.

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