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Moumoujus

PPG-2 DIMETHICONE.

Valuable / SKIN CONDITIONING, SURFACTANT - CLEANSING

PPG-2 Dimethicone is a highly versatile silicone-based polymer, functioning primarily as a skin conditioning agent and emulsifier within advanced skincare formulations. It contributes to product stability while forming a breathable, protective film on the skin, enhancing hydration and reinforcing the epidermal barrier.

Summary

Skin Conditioning Surfactant / Cleansing Emulsifier

Science

Mechanism of Action

This ingredient operates as an effective skin conditioning agent and an emulsifier, expertly bridging oil and water phases to create stable cosmetic emulsions. Upon topical application, PPG-2 Dimethicone forms a lightweight, vapor-permeable film on the skin's surface, which has been shown to reduce transepidermal water loss and offer protection against environmental irritants and microbial ingress. Furthermore, it exhibits mild surfactant properties, aiding in the gentle cleansing of 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
Both
Optimal pH 5.5 – 8.5
0 7 14

Stability

PPG-2 Dimethicone demonstrates optimal stability within a functional pH range of 5.5 to 8.5. Enhanced stability is observed under conditions where its water solubility decreases, its molecular weight exceeds 10,000 Da, and its concentration in the formulation is increased, typically between 1% and 5%.

Conflicts

  • The co-solubilization of PEG/PPG dimethicones by other surfactants in a formulation may potentially slow the desired deposition of PPG-2 Dimethicone onto the skin.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that dimethicone and its substituted polymers, including PPG-2 Dimethicone, are safe for use in cosmetic applications when formulated to be non-irritating. However, the panel indicated insufficient data to assess safety for incidental inhalation, particularly when applied via airbrush devices. While related PEG/PPG Dimethicones may contain 1,4-dioxane as a manufacturing byproduct, robust filtration processes are implemented to effectively remove this impurity. Overall, PPG-2 Dimethicone is generally 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

PPG-2 Dimethicone is a valuable, multi-functional ingredient that enhances skin conditioning, facilitates stable emulsification, and provides barrier protection, demonstrating broad skin compatibility with a low risk of irritation or comedogenicity.

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