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POLYCAPRYLYLSILSESQUIOXANE AND ALUMINA [1NCL]

A hybrid cosmetic ingredient combining a hydrophobic silicone polymer (polycaprylylsilsesquioxane) with alumina (aluminum oxide).

CAS:

1344-28-1

Formula:

Al₂O₃

Molar Weight

~101.96 g/mol

Melting Point

~2072 °C

Boiling Point

Not applicable

Density

3.4 to 4.0 g/cm³

Forms

crystalline powder or granules

Odor

Odorless

Uses and applications

Key applications

  • Improves pigment dispersion in emulsions.
  • Enhances wear time of pressed powders.
  • Provides hydrophobic, water-repellent surface.
  • Reduces oil absorption on skin.
  • Adds slip and smoothness to makeup formulation.

Industries

  • Cosmetic / Personal Care
  • Make-up (foundations, powders)
  • Skincare formulations
  • Coatings and surface treatments

Synonyms
Aluminum oxide

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