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Soft, skin-friendly silicone elastomer film with excellent elasticity and recoil.
Stable anionic emulsion system compatible with common water-based formulations.
Low VOC and solvent-free—supports sustainable, regulatory-compliant product development.
Enhanced sensory profile: silky, non-greasy feel with long-lasting skin conditioning.
Good compatibility with surfactants, polymers, and active ingredients in personal care systems.
Leave-on skincare products including moisturizers, serums, and facial gels.
Rinse-off formulations such as shampoos, body washes, and cleansing lotions.
Sunscreen and after-sun care products requiring elegant texture and skin protection.
Makeup primers and foundations seeking improved spreadability and wear resistance.
Hybrid hair styling aids offering humidity resistance and soft hold.
| Chemical Type | Dimethicone-based silicone elastomer emulsion |
| Product Form | White to off-white aqueous emulsion |
| Appearance | Opaque, slightly viscous liquid |
| pH (10% in water) | 5.5–7.0 |
| Active Content (wt%) | 30 ± 2% |
| Viscosity (mPa·s, Brookfield, LVT, Spindle #1, 1 rpm) | 500–2,000 |
| Primary Applications | Personal care, cosmetic formulations, topical skincare |
| Key Features | Elastomeric film formation, sensory enhancement, water dispersibility |
Q1: What is the primary function of DOWSIL IE-7170 in cosmetic and personal care formulations?
A: DOWSIL IE-7170 is a silicone elastomer emulsion designed to deliver sensorial benefits—including soft focus, velvety skin feel, and improved spreadability—while enhancing formulation stability and providing mild occlusive properties. It is commonly used in leave-on products such as foundations, BB creams, moisturizers, and sunscreens.
Q2: Is DOWSIL IE-7170 compatible with high levels of electrolytes or low-pH systems?
A: DOWSIL IE-7170 is an oil-in-water emulsion stabilized by nonionic surfactants and demonstrates good tolerance to moderate electrolyte concentrations and pH ranges typical of cosmetic formulations (approximately pH 4–8). However, extreme ionic strength or very low pH (<3.5) may affect physical stability and should be evaluated during formulation development.
Q3: How should DOWSIL IE-7170 be incorporated into a formulation?
A: It is typically added during the cool-down phase (below 45°C) under gentle agitation to preserve emulsion integrity. Pre-dilution with water or co-solvent may aid uniform dispersion. Avoid high-shear mixing post-addition to prevent destabilization.
Q4: Can DOWSIL IE-7170 be used in rinse-off products?
A: While optimized for leave-on applications, it can be formulated into certain rinse-off systems such as creamy cleansers or conditioning washes where mild sensory enhancement and temporary film-forming benefits are desired. Performance and deposition efficiency will vary depending on surfactant system and rinse conditions.
Q5: Does DOWSIL IE-7170 require preservatives in the final product?
A: Yes—like most water-containing cosmetic ingredients, DOWSIL IE-7170 contains water and requires appropriate preservation in the final formulation to ensure microbiological safety. Compatibility with common preservative systems should be confirmed during stability testing.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
