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HYDROGEN TRIFLUOROPROPYL DIMETHICONE.

Valuable CAS 766542-38-5 / ANTIFOAMING, BINDING, EMULSION STABILISING

Hydrogen Trifluoropropyl Dimethicone is a specialized silicone derivative engineered to enhance skin conditioning and fortify the skin's barrier. It forms a lightweight, breathable film that effectively minimizes moisture loss and offers protection against environmental stressors. Its unique fluorinated structure provides superior water and oil resistance, making it an ideal choice for long-lasting and high-performance cosmetic formulations.

Summary

emollient skin conditioning film-forming texture enhancer water repellent oil repellent pigment dispersant skin protecting adhesive

Science

Mechanism of Action

This ingredient functions by creating a very thin, protective, and non-occlusive film on the skin's surface. This barrier actively reduces transepidermal water loss (TEWL), thereby locking in essential moisture and supporting skin hydration. The strategic incorporation of fluorine atoms within its molecular structure imparts exceptional water and oil repellency, significantly contributing to the durability and waterproof properties of products. Beyond its protective qualities, it notably improves product spreadability, bestows a luxurious silky texture, and ensures a non-greasy skin feel. Furthermore, it acts as an effective pigment bonding agent, facilitating the hydrophobization of powders and enhancing the adhesion of cosmetic products to the skin.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Hydrogen Trifluoropropyl Dimethicone is reported to maintain good chemical stability, particularly within a neutral pH range. The fluorinated modification significantly enhances formulation stability and performance, especially in waterproof or long-wear products, due to its inherent superior water and oil resistance. It is highly valued as a pigment bonding agent, assisting in the hydrophobization of powders and improving cosmetic adhesion to the skin.

Synergies

  • Titanium Dioxide
  • Zinc Oxide
  • Mica

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that dimethicone and structurally related substituted-methicone polymers, including Hydrogen Trifluoropropyl Dimethicone, are safe for use in cosmetics under current practices and concentrations, provided formulations are non-irritating. Its high molecular weight suggests minimal to no skin absorption, thereby limiting systemic exposure. While a specific SCCS (Scientific Committee on Consumer Safety) opinion for Hydrogen Trifluoropropyl Dimethicone is not currently available, the ingredient is listed in the European Commission's CosIng database. The FDA has proposed classifying Dimethicone, its base polymer, as a Category 1 (recognized as safe and effective) skin protectant for over-the-counter use at concentrations ranging from 1% to 30%, with general cosmetic uses reported up to 85%.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Hydrogen Trifluoropropyl Dimethicone is a valuable silicone derivative, enhancing formulations with its multi-functional film-forming, emollient, and texture-improving properties, alongside superior water and oil resistance, all within a favorable safety and compatibility profile across all skin types.

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