Mingyi silicone（anhui）co,.ltd
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IOTA 99331 is a high-performance silicone-based blend composed of Cyclomethicone (Cyclopentasiloxane) and PEG-18/PPG-18 Dimethicone. This unique combination serves as an excellent formulation aid, particularly in water-in-silicone (W/Si) emulsions, offering enhanced stability, clarity, and dispersion for various cosmetic and personal care products.
Superior Dispersion Aid – Effectively disperses both polar (e.g., moisturizers, sunscreens) and non-polar (e.g., emollients, oils) ingredients, ensuring uniform distribution in W/O formulations.
Enhanced Emulsion Clarity – Helps create clearer, more stable water-in-silicone emulsions, improving product aesthetics.
Broad Compatibility – Works well with antiperspirants, sunscreens, color cosmetics, and skin care products, offering formulation flexibility.
Improved Stability – Exhibits excellent stability in W/O systems, particularly when combined with electrolytes like NaCl (1-2%).
Appearance: Light milky-white translucent fluid
Specific Gravity (25°C): 0.930–0.970
Viscosity (25°C): 40–125 cSt
Solid Content: 10–14% (w/w)
Flash Point: 75°C
IOTA 99331 is widely used in:
Color Cosmetics: Improves pigment dispersion and smooth texture.
Skin Care: Enhances moisturizer and active ingredient delivery.
Sun Care: Ensures even distribution of UV filters.
Antiperspirants/Deodorants: Stabilizes W/O formulations for long-lasting efficacy.
Usage Level: 4–12% (adjust based on formulation needs).
Mixing Method:
Stir well before use.
Slowly add the water phase to the oil phase under high-speed mixing.
Use a homogenizer for improved stability.
For long-term stability, incorporate 1–2% NaCl in the water phase.
Temperature: Can be emulsified at ambient temperature if no solid ingredients are present.
IOTA 99331 is a versatile, high-performance silicone blend that enhances formulation stability, clarity, and ingredient dispersion in W/O systems. Its broad applicability in cosmetics, sun care, and antiperspirants makes it an essential ingredient for innovative personal care products. By following recommended guidelines, formulators can achieve smoother, more stable, and visually appealing emulsions.
