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Silica Dimethyl Silylate

Quantity: 30 G / 1 OZ
Looking for bulk quantities? Email us at support@cdfsupplies.com.

Silica Dimethyl Silylate

Hydrophobic surface treated fumed silica designed for oil thickening, suspension, and advanced texture control.

INCI Name: Silica Dimethyl Silylate

Appearance: Lightweight white fluffy powder

Surface Treatment: Dimethyl silylation (hydrophobic surface-modified silica)

Solubility: Insoluble; dispersible in oils, esters, and silicones

Function: Rheology modifier, suspending agent, oil gellant, anti-settling aid

This surface-treated silica creates three-dimensional networks in anhydrous systems, transforming low-viscosity oils into structured gels while stabilizing pigments, actives, and powders without waxes or polymers.

Hydrophobic Silica Oil Thickener Suspension Aid Anhydrous Structuring Non-Wax Gelling

Supplied as a cosmetic raw material for formulation use.

What It Does

Silica Dimethyl Silylate builds structure in oil-based systems through hydrogen bonding and particle networking, allowing formulators to create stable gels, prevent settling, and fine-tune viscosity without heavy waxes.

Typical Use Levels

  • 0.5 – 1% — Light stabilization
  • 1 – 3% — Medium viscosity build
  • 3 – 6% — Strong oil gelling

How to Incorporate

  • Pre-disperse into oils using high shear mixing.
  • Add slowly to avoid agglomeration.
  • Allow full wetting before evaluating viscosity.

Formulation Notes

  • Works only in anhydrous systems.
  • Creates thixotropic textures.
  • Excellent suspension performance.

Applications

  • Lip glosses
  • Anhydrous serums
  • Pigment dispersions

Documents

Storage

  • Store in a dry environment.
  • Avoid moisture exposure.

Disclaimer

This material is supplied for cosmetic formulation use only.

Customer Reviews

Based on 2 reviews
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Anonymous
Game-changer for mica suspension

This silica powder made a huge difference in my body oil formulations. It keeps the mica beautifully suspended without affecting the texture or scent of the oil. I was struggling with constant settling before, but this helped create that dreamy, floaty shimmer look I wanted. A little goes a long way, and it doesn’t make the formula gritty or cloudy. If you’re making shimmer oils or cosmetics and want your pigments to stay mixed longer, this is 100% worth it.

J
Joey V.

Product came quickly and as described. I’m using it as chalk for weightlifting and rock climbing and it works well!

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