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Gelest WIA-HSA

Gelest Titanium Dioxide HS (WIA-HSA) is a white titanium dioxide powder treated with disodium carboxyethyl siliconate. This pigment is used in various color cosmetic formulations. It has a higher tinting strength and a reduced tendency for color flotation and plate-out.

INCI Name: Disodium Carboxyethyl Siliconate, Titanium Dioxide

Pigment Treatment Type: Hydrosperse Treatment (HS) , Silicone & Silane Treatment

Pigment Treatment Family: Hydrophilic Treatments

Color: White

Labeling Claims: Ulta Beauty's Conscious Beauty

Knowde Enhanced TDS

Identification & Functionality

CI Number
Pigment Treatment Family
Cosmetic Ingredients Functions
Chemical Structure

Gelest WIA-HSA - Chemical Structure

Features & Benefits

Performance Benefits

Gelest Hydrosperse surface modification creates an anionic, hydrophilic reacted coating that provides instant dispersion in aqueous media without high shear agitation. 

  • Improved wetting in aqueous systems
  • Dispersion in water with low shear mixing
  • Complete color development
  • Higher tinting strength
  • Capability to achieve high pigment loading
  • Reduced tendency for color flotation and plate-out

Applications & Uses

Color Cosmetic Applications


White powder
Slight characteristic
Typical Properties
ValueUnitsTest Method / Conditions
HydrophilicityPasses (1 gram wets on 50 ml still deionized water)--
Loss on Drying (at 105°C, 3 hours)max. 1%-
Microbiological Values
ValueUnitsTest Method / Conditions
Microbial Content (No Pathogens)max. 100cfu/g-
ValueUnitsTest Method / Conditions
Titanium Dioxide Content98 - 99%-
Disodium Carboxyethyl Siliconate Content1 - 2%-
Heavy Metals
ValueUnitsTest Method / Conditions
Antimony Contentmax. 2ppm-
Arsenic Contentmax. 1ppm-
Cadmium Contentmax. 1ppm-
Lead Contentmax. 10ppm-
Mercury Contentmax. 1ppm-

Packaging & Availability

Country Availability
Regional Availability
  • Asia Pacific
  • Europe
  • North America
Packaging Information
  • 75g
  • 300g
  • 1kg
  • 10kg
  • 25kg