Primosil™ MT (Methyl Trimethicone 99%)

Primosil™ MT (Methyl Trimethicone 99%) is a highly pure silicone offering unique benefits in personal care and cosmetics. This lightweight, non-comedogenic ingredient provides a soft, silky texture without greasiness, perfect for all skin types, including oily and acne-prone skin. Its excellent spreadability ensures smooth, even coverage, enhancing product application. It also forms a water-repellent barrier, increasing the water resistance of cosmetics, ideal for long-wearing makeup and sunscreens. The volatile nature allows quick evaporation, leaving a protective, breathable film. Additionally, it improves emulsion stability and pigment dispersion in color cosmetics for consistent results.

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Technical Specifications
PrimosilTM MT (Methyl Trimethicone 99%)
INCI
Methyl Trimethicone
CAS Number
1185-55-3
Purity
99%
Molecular Formula
C5H12Si
Molecular Weight
100.24 g/mol
Solubility
Insoluble in water.
pH
Neutral
Shelf Life
24-months from the date of manufacturing.
Boiling Point
235.4±23.0°C
Melting Point
-55 to -54°C
Storage
Store in a cool, dry place in tightly sealed containers.It should be protected from moisture and kept away from extreme temperatures and direct sunlight to maintain its stability and performance.
Key Benefits
PrimosilTM MT (Methyl Trimethicone 99%)
Low Surface Tension
Enhances the spreadability of formulations, ensuring even application on the skin or hair.
Volatility
Provides a lightweight, non-greasy feel that evaporates quickly, leaving behind minimal residue.
Silky, Smooth Finish
Contributes to a silky, smooth texture in creams, lotions, and makeup products, improving sensory appeal.
Compatibility
Highly compatible with various oils, esters, and silicones, facilitating versatile formulation possibilities.
Reduced Greasiness
Reduces the greasy feel often associated with other emollients, making it ideal for oil-free or matte products.
Enhanced Slip
Improves slip and spreadability, enhancing the user's experience during application.
Water-Resistant Properties
Helps in creating formulations with water-resistant qualities, beneficial for sunscreens and long-wear makeup products.
Non-Comedogenic
Due to its non-comedogenic nature, it is suitable for sensitive and acne-prone skin, expanding its applicability in skincare products.
Improved Pigment Dispersion
Aids in the even dispersion of pigments, ensuring consistent color payoff in makeup formulations.
Stability
Contributes to the overall stability of emulsions and anhydrous formulations, improving product shelf life and performance.

Frequently Asked Questions (FAQ)

What is Primosil™ MT (Methyl Trimethicone 99%), and how does it differ from other silicones?

It is a low-viscosity, volatile silicone that acts as an emollient and texture enhancer in formulations. Unlike heavier silicones, it provides a lightweight feel and evaporates quickly, leaving minimal residue on the skin or hair.