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​White Sapphire® Matte

alumina oxide powder

White Sapphire® Matte is Antaria’s aluminium oxide (Al₂O₃), a high-purity, free-flowing powder engineered for shine control, dry-touch textures, and anti-sweat performance. Manufactured with a hexagonal crystal structure for next-generation skincare and suncare formulations, it offers superior aesthetic and performance benefits compared to standard fillers. Designed to control shine and reduce sweat breakthrough, it boosts SPF protection when combined with zinc oxide, absorbs excess oil, and delivers a smooth, non-greasy appearance. It is especially suited to mattifying sunscreens, oil-control foundations, and long-wear skincare formulations where shine reduction and a fresh finish are essential.

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SPF Boosting: Clinically proven to enhance UV protection in combination with ZinClear® XP zinc oxide.

 

Mattifying & Oil Absorption: Controls shine by absorbing excess oil, giving a smooth, dry-touch effect.

 

Anti-Sweat Performance: Reduces sweating, helping sunscreen and makeup stay intact.

Extended Wear: Improves product longevity by reducing breakdown from sebum and sweat. 

Superior Adhesion: Outperforms talc, silica, and nylon for improved powder and cream stability.

Safe & Sustainable: Non-nano, inert, EcoCert COSMOS certified, suitable for sensitive skin.

Technical Properties

  • Mean Particle Size: 6.0-11.0 µm

  • pH Value: 5.0-8.0

  • Oil Absorption: 50-100 g / 100 g

  • Whiteness Inde: > 85

  • Surface Area: 4-7.5 m²/g

alumina oxide aluminium powder
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