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PEG-24 TRISILOXANE.

Valuable / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PEG-24 Trisiloxane is a highly versatile silicone-PEG derivative, functioning as an effective wetting agent and surfactant. It is designed to optimize formulation aesthetics and stability, while simultaneously delivering skin conditioning benefits such as emollience and long-lasting hydration.

Summary

skin conditioning emollient surfactant cleansing emulsifying foam boosting wetting agent solubilizer lubricant dispersing agent adsorbing agent provides soft silky feel long-lasting color protection antifoaming

Science

Mechanism of Action

This ingredient acts as a low surface tension wetting agent and surfactant, crucial for achieving excellent solubilizing, lubricating, dispersing, and emulsifying properties within a formulation. On the skin, PEG-24 Trisiloxane forms a protective, vapor-permeable film, characteristic of silicone-PEG compounds. Its polyglycol (PEG) component actively attracts and binds water molecules, facilitating prolonged hydration and reducing transepidermal water loss, thereby supporting the skin's natural barrier function.

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

PEG-24 Trisiloxane generally exhibits good stability. Solutions demonstrate enhanced stability when stored at colder temperatures, specifically frozen (-20°C) or refrigerated (4°C), compared to room temperature. Exposure to elevated temperatures, light, and oxygen can accelerate aging processes, potentially leading to a decrease in pH and an increase in ionic strength. Should pH drop due to oxidation byproducts, it can be adjusted upwards.

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) has determined that there is insufficient data for a specific safety assessment of PEG-24 Trisiloxane. While general PEG compounds are broadly utilized and sometimes recommended for use up to 100% concentration, a definitive maximum concentration for PEG-24 Trisiloxane is not established. It is noteworthy that the raw, unformulated material carries a potential risk for irritation to skin, eyes, and the respiratory system. Additionally, PEGs generally have a potential for cross-sensitization due to structural similarities. The specific FDA status for this ingredient remains unknown. However, when incorporated into cosmetic formulations, PEG-modified siloxanes are typically considered well-tolerated on the skin.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-24 Trisiloxane is a valuable multifunctional ingredient, enhancing formulation aesthetics and stability while providing effective skin conditioning and hydration with low potential for irritation or comedogenicity in finished products.

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References

Sources