Primosil™ TMS (Trimethylsiloxysilicate)

Primosil™ TMS (Trimethylsiloxysilicate) is a premium cosmetic-grade silicone resin known for its excellent film-forming properties. This versatile ingredient creates a durable, water-resistant barrier, enhancing the longevity of products like foundations, sunscreens, and lipsticks. It imparts a smooth, silky feel to formulations, improving application and skin feel. Its enhancement of product adhesion and transfer resistance makes it perfect for long-lasting makeup. Additionally, it offers flexibility, preventing cracking or flaking. Suitable for various applications, it ensures improved performance, durability, and a luxurious sensory experience.

Concentration: Trimethylsiloxysilicate SR-40
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Technical Specifications
PrimosilTM TMS (Trimethylsiloxysilicate)
INCI
Trimethylsiloxysilicate
CAS Number
63148-65-2
Molecular Formula
(CH3)3SiO]xSiO2
Molecular Weight
254.46 g/mol
Solubility
Insoluble in Water. Soluble in Alcohols and Hydrocarbons.
pH
5-7
Shelf Life
24-months from the date of manufacturing.
Boiling Point
350°C
Melting Point
1250-1350°C
Storage
Store in a cool, dry place away from direct sunlight. Keep the container tightly closed to avoid contamination and moisture absorption.
Key Benefits
PrimosilTM TMS (Trimethylsiloxysilicate)
Film-Forming Agent
Creates a flexible, breathable film on the skin, enhancing the longevity and water resistance of cosmetic formulations.
Improved Wear Resistance
Increases the wear time of makeup products such as foundations, lipsticks, and eyeshadows by preventing smudging and fading.
Enhanced Adhesion
Improves the adhesion of pigments and other ingredients to the skin, ensuring even and smooth application in color cosmetics.
Water-Repellent Properties
Provides excellent water repellency, making it ideal for waterproof and long-lasting cosmetic formulations like mascaras and sunscreens.
Non-Greasy Feel
Offers a lightweight, non-greasy texture, contributing to a pleasant skin feel without leaving a heavy or sticky residue.
Smooth Application
Enhances the spreadability of products, allowing for effortless application and a velvety finish on the skin.
Increased Transfer Resistance
Helps in reducing the transfer of cosmetic products to clothing and surfaces, maintaining a fresh look for longer durations.
Improved Flexibility
Provides flexibility to the product film, allowing it to move with the skin and reducing the risk of cracking in the formulation.
Enhanced Product Stability
Stabilizes formulations, particularly in emulsions and creams, by maintaining the uniform distribution of ingredients over time.
Versatile Compatibility
Compatible with a wide range of cosmetic ingredients, making it suitable for use in various formulations like foundations, sunscreens, and hair care.

Frequently Asked Questions (FAQ)

What is Primosil™ TMS (Trimethylsiloxysilicate)?

It is a silicone-based ingredient used in cosmetics and personal care products. It functions as a film-forming agent, providing a durable, flexible layer on the skin or hair.