Primosil™ 645 (Dimethicone & Dimethicone / Vinyl Dimethicone Cross Polymer)

Primosil™ 645 (Dimethicone & Dimethicone / Vinyl Dimethicone Cross Polymer) is a specialized silicone blend that offers exceptional benefits in personal care and cosmetic formulations. This ingredient is renowned for its ability to provide a smooth, silky texture to products, significantly enhancing the tactile experience of skincare and makeup. It creates a soft, elastic film on the skin that helps to smooth fine lines and imperfections, making it an ideal ingredient for primers and foundation. Additionally, it imparts a long-lasting, velvety feel, improving the wear of cosmetics by helping them resist smudging and setting into pores or fine lines. In skincare, it serves to lock in moisture without feeling heavy or greasy, supporting skin hydration and health. Its ability to evenly disperse pigments and act as a thickening agent also makes it valuable in color cosmetics, ensuring stable and uniform product performance.

Technical Specifications
PrimosilTM 645 (Dimethicone & Dimethicone / Vinyl Dimethicone Cross Polymer)
INCI
Dimethicone & Dimethicone / vinyl Dimethicone Cross Polymer
CAS Number
Dimethicone: 63148-62-9
Dimethicone / Vinyl Dimethicone Crosspolymer: 541-02-6
Purity
95%
Molecular Formula
Dimethicone: (C2H6OSi)n
Dimethicone / Vinyl Dimethicone Crosspolymer: (C2H6OSi)x(C4H6O2)x(C2H6O)x
Solubility
Insoluble in water.
pH
7.0
Shelf Life
24 months from the date of manufacturing.
Melting Point
200-250°C
Storage
Store in a cool, dry place in tightly sealed containers. Protect them from moisture and keep them away from extreme temperatures and direct sunlight to maintain the integrity of the products. Ensure adequate ventilation in storage areas to prevent vapor accumulation.
Supplier
Flychem
SKU
FCB-063
Key Benefits
PrimosilTM 645 (Dimethicone & Dimethicone / Vinyl Dimethicone Cross Polymer)
Enhances Product Texture
Improves the texture of cosmetic products, making them silkier and more luxurious to the touch, enhancing user experience across skin and hair care.
Forms a Protective Barrier
Forms a protective barrier on the skin or hair, which helps to lock in moisture and protect against environmental damage.
Provides a Smooth Application
Facilitates smooth application, allowing for even coverage and a flawless finish in makeup and skincare products.
Conditions Hair
Helps condition the hair, making it softer and easier to manage while reducing frizz and tangles.
Enhances Longevity of Makeup
Increases the durability of makeup, helping it to stay in place longer and resist smudging or fading throughout the day.
Provides a Matte Finish
Offers a matte finish, which is particularly desirable in face care products to control shine and oiliness.
Seals in Moisture
Helps to seal in moisture, keeping skin and hair hydrated longer, which is essential for maintaining healthy skin and hair.
Water-Resistant Properties
Enhances the water-resistance of products, making them suitable for sun care and swim-friendly makeup.
Reduces the Appearance of Fine Lines
Temporarily fills in fine lines and wrinkles, making the skin appear smoother and more youthful, ideal for anti-aging products.
Non-Comedogenic
Formulated to be less likely to clog pores, making it a safer choice for face care, especially for acne-prone skin.
Improves Pigment Dispersion
Aids in the even dispersion of pigments in color cosmetics, ensuring that colors are uniform and vibrant.
Enhances Sensory Feel
Provides a silky, non-greasy feel that enhances the sensory experience of cosmetics, making them more pleasant to use.
Thermal Protection for Hair
Offers thermal protection for hair, reducing damage from heat styling tools and helping to maintain hair health.
Smoothing Effect on Skin
Smooths skin texture, provides an ideal base for makeup application and improves the overall appearance of skin care products.
Enhances Nail Strength
Can be used in nail care products to enhance the strength and flexibility of nails, reducing chipping and peeling.
Provides Shine
Adds shine to hair and nails, enhancing the visual appeal and finish of hair serums and nail varnishes.
Reduces Stickiness
Reduces the sticky feel of skin and lip products, improving comfort and wearability, especially in sunscreens and lip glosses.
Stabilizes Formulations
Stabilizes cosmetic formulations, preventing separation and maintaining consistency, which is crucial for product performance and shelf life.
Facilitates Even Coverage
Helps to ensure that products provide even coverage, which is critical for sunscreens and foundation products.
Softens Skin and Lips
Softens and conditions the skin and lips, providing a soothing effect that is especially beneficial in lip balms and face moisturizers.

Frequently Asked Questions (FAQ)

What is Dimethicone, and how does it benefit hair care products?

Dimethicone is a silicone-based polymer that coats the hair, providing smoothness and shine while helping to detangle and condition it. It also acts as a protective barrier against heat and environmental damage.