Dimethicone 350CST (Silicone Oil)

INCI Name: Dimethicone
Molecular Formula: (C₂H₆OSi)_n
Alternative Names: Silicone Oil 350 CST, Polydimethylsiloxane
Country of Origin: India

Description:
Dimethicone 350 CST is a medium-viscosity silicone oil widely used in cosmetics and personal care products. It is clear, non-greasy, and spreads easily on the skin, leaving a smooth and silky feel. This ingredient helps improve the texture of creams, lotions, hair conditioners, and serums. It forms a protective barrier that reduces moisture loss without clogging pores. Dimethicone 350 cSt is stable, non-reactive, and works well in both skin care and hair care formulations.

Benefits and Uses:

• Provides a silky, smooth feel on the skin without greasiness.
• Improves the spreadability of creams, lotions, and serums.
• Forms a protective barrier to lock in skin moisture.
• Reduces frizz and adds shine in hair care products.
• Enhances the slip and glide in makeup products like primers.
• Stable and non-reactive, making it suitable for long-lasting formulas.

Dimethicone 350 CST is valued in the cosmetic industry for its ability to improve product feel and performance. In skin care, it helps smooth fine lines, reduces the sticky feeling of heavy creams, and protects the skin from environmental dryness. In hair care, it helps detangle hair, adds shine, and reduces static. Because it is inert, it does not react with other ingredients, making it a safe choice for many formulations. It is also heat stable, making it suitable for both hot and cold process formulations. Its medium viscosity makes it easy to work with, providing a balance between spreadability and lasting effect.

Concentration and Solubility:

• Recommended use level: 0.5% to 5% in most cosmetic formulas.
• Insoluble in water; soluble in other silicones and some oils.

How to Use:

• Add during the oil phase of your formulation.
• Mix well into creams, lotions, hair conditioners, and serums.