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PEG/PPG-15/5 DIMETHICONE.

Valuable CAS - / SURFACTANT - EMULSIFYING

This unique silicone derivative acts as a water-soluble emulsifier and conditioning agent, significantly improving product texture and skin feel. It forms a breathable film on the skin, enhancing hydration while facilitating the absorption of other active ingredients.

Summary

Emollient Emulsifying Surfactant Hair Conditioning Humectant Wetting Agent Film Former Penetration Enhancer

Science

Mechanism of Action

PEG/PPG-15/5 Dimethicone functions as an ambiphilic water-soluble surfactant and O/W co-emulsifier, contributing to formulation stability and aesthetics. On the skin, it creates a lightweight, permeable film that supports the skin barrier by reducing transepidermal water loss and preventing the entry of exogenous substances. Simultaneously, this film enhances the penetration of other active ingredients. Its humectant properties attract and retain moisture, while its conditioning effects impart lubricity and a soft tactile feel to both skin and hair.

Research

Clinical Evidence

Low 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

Stability

This ingredient exhibits robust stability across various pH values, remaining resistant to hydrolysis. It is highly versatile, suitable for integration into formulations via both cold and heat processing, and demonstrates excellent compatibility with a broad spectrum of other cosmetic materials.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel assessed 'Dimethicone Copolyol', encompassing PEG/PPG-15/5 Dimethicone, affirming its safety for cosmetic use in 1982 and reaffirming this conclusion in 2005. Clinical evaluations indicate that solutions up to 40% and even undiluted forms are not primary skin irritants. Furthermore, an unspecified concentration was found to be non-irritating and non-sensitizing in a study involving 201 volunteers. Global regulatory bodies, including the SCCS and US FDA, generally consider silicones biologically inert and safe.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG/PPG-15/5 Dimethicone is a highly versatile and well-tolerated silicone copolyol, offering significant benefits as an emollient, humectant, and emulsifier while enhancing skin barrier function and active ingredient delivery across all skin types.

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