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IOTA 99366 is a lipophilic alkyl-modified polyether polydimethylsiloxane with a unique molecular design. It offers outstanding emulsifying capability in both W/Si (water/silicone) and W/O (water-in-oil) systems, effectively emulsifying both silicone oils and non-silicone oils/esters with exceptional emulsion stability. In addition, this product demonstrates excellent dispersing power for powder ingredients, making it a versatile emulsifying solution for personal care formulations.
Excellent emulsifying ability – performs well in both W/Si and W/O systems with outstanding stability
Easy emulsification, low-temperature processing – simple and energy-efficient
Broad compatibility – emulsifies both silicone and non-silicone oils effectively
Silky, non-sticky skin feel – enhances the sensory experience of finished products
Superior powder dispersibility – suitable for formulations containing pigments and sunscreen powders
| Parameter | Specification |
|---|---|
| Appearance (visual) | Colorless to light yellow, transparent to translucent liquid |
| Specific gravity (25°C) | 0.900 – 0.950 |
| Viscosity (cSt, 25°C) | 400 – 800 |
| Refractive index (25°C) | 1.4250 – 1.4350 |
Widely used in a variety of personal care products, including but not limited to:
Skincare – lotions, creams, serums
Color Cosmetics – foundations, primers, makeup bases
Sun Care – sunscreens, sun lotions
✅ Dual-function emulsifier for W/Si and W/O systems – stable formulations
✅ Easy low-temperature processing – saves energy
✅ Silky non-sticky feel – lightweight and pleasant
✅ Excellent powder dispersion – uniform formulations
✅ Ideal for premium skincare, color cosmetics, and sun care products
