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Highly flexible, low-viscosity silicone fluid offering excellent spreading and leveling properties.
Provides superior surface slip and soft-touch feel without compromising substrate adhesion.
Compatible with a wide range of cosmetic and personal care formulations, including emulsions and anhydrous systems.
Non-volatile and thermally stable up to 150°C, ensuring consistent performance during processing and storage.
Meets stringent global regulatory requirements for cosmetics, including EU Cosmetics Regulation (EC) No 1223/2009 and US FDA guidelines.
Lipstick and lip gloss formulations for enhanced spreadability and long-wear comfort.
Foundation and BB cream bases to improve blendability and reduce greasiness.
Body lotions and moisturizers seeking silky, non-sticky skin feel.
Hair conditioners and serums for improved combability and shine without buildup.
Makeup primers designed to smooth skin texture and extend makeup wear time.
| Chemical Type | Cyclopentasiloxane (D5) / Dimethicone blend |
| Product Form | Clear, colorless liquid |
| Appearance | Transparent, odorless liquid |
| Primary Applications | Cosmetic emollient and sensory modifier |
| Key Features | Low surface tension, high volatility balance, excellent compatibility |
| Benefits | Improved aesthetics, rapid dry-down, non-greasy finish |
| Recommended Use Level | 1–10% w/w in final formulation |
| Storage Conditions | Store in original sealed container at 5–30°C; protect from moisture |
Q1: What is the primary function of DOWSIL SILSTYLE 201 Silicone in personal care formulations?
A: DOWSIL SILSTYLE 201 Silicone is a volatile cyclic silicone fluid primarily used to deliver lightweight sensory benefits—such as silky slip, reduced tackiness, and rapid evaporation—without leaving a heavy residue. It is commonly employed as a carrier or diluent for active ingredients and fragrances in leave-on and rinse-off products.
Q2: Is DOWSIL SILSTYLE 201 Silicone compatible with common cosmetic emulsifiers and surfactants?
A: Yes, it demonstrates broad compatibility with nonionic, anionic, and amphoteric surfactants, as well as typical oil-in-water and water-in-oil emulsifiers. However, formulation stability should be verified under intended processing conditions—including high-shear mixing and temperature cycling—as compatibility may vary depending on overall system composition.
Q3: How does DOWSIL SILSTYLE 201 Silicone behave during high-temperature processing or storage?
A: As a volatile cyclic silicone, it exhibits low thermal stability at elevated temperatures over extended periods and may gradually evaporate during prolonged heating above 80 °C. For optimal performance and consistency, it is recommended to add this ingredient during the cool-down phase of manufacturing, typically below 60 °C.
Q4: Can DOWSIL SILSTYLE 201 Silicone be used in aerosol-based personal care products?
A: Yes, its volatility and low surface tension make it suitable for use in aerosol formulations—particularly as a propellant synergist or viscosity modifier—provided that compatibility with the selected propellant blend (e.g., hydrocarbons or compressed gases) and valve materials has been confirmed through testing.
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