




FAQ(Frequently Asked Questions)
1. What is Trimethylsiloxysilicate?
Trimethylsiloxysilicate is a silicone-based polymer commonly used in personal care and cosmetic formulations. It forms a flexible, long-lasting film on the skin and hair, providing water resistance, durability, and improved product adhesion.
2. What is the CAS Number and INCI Name of Trimethylsiloxysilicate?
CAS Number: 68988-56-7
INCI Name: Trimethylsiloxysilicate
3. What are the benefits of Trimethylsiloxysilicate in personal care products?
Trimethylsiloxysilicate offers several benefits, including:
- Long-Wearing Effect: Helps makeup and skincare products stay in place for extended periods.
- Water Resistance: Improves resistance to sweat and humidity, making it ideal for waterproof formulations.
- Oil Control: Provides a mattifying effect, reducing shine in cosmetics.
- Smooth Texture: Enhances the spreadability and lightweight feel of formulations.
- Non-Comedogenic: Does not clog pores, making it suitable for acne-prone skin.
4. In which personal care products is Trimethylsiloxysilicate commonly used?
Trimethylsiloxysilicate is found in:
- Foundations and concealers (for long-lasting wear)
- Lipsticks and lip balms (for enhanced adhesion)
- Mascaras and eyeliners (to increase water and smudge resistance)
- Sunscreens (for improved water resistance)
- Hair styling products (for flexible hold and humidity protection)
5. Is Trimethylsiloxysilicate safe for skin?
Yes, Trimethylsiloxysilicate is considered safe for use in personal care products. It is non-irritating and non-comedogenic, making it suitable for various skin types.
6. Does Trimethylsiloxysilicate make products feel heavy on the skin?
No, it creates a lightweight, breathable film that enhances product performance without feeling heavy or sticky.
7. Can Trimethylsiloxysilicate be used in natural formulations?
Since it is a silicone-based ingredient, it is not typically used in fully natural formulations but is common in high-performance cosmetic products.
8. How does Trimethylsiloxysilicate improve makeup longevity?
It forms a flexible, adhesive film on the skin, helping makeup resist sweat, oil, and environmental factors for all-day wear.
9. Is Trimethylsiloxysilicate suitable for sensitive skin?
Yes, it is generally well-tolerated, but individuals with very sensitive skin should perform a patch test before use.
10. How should Trimethylsiloxysilicate be stored?
Store it in a cool, dry place, away from direct sunlight and moisture, to maintain its stability and effectiveness.