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Antaria Skin Care Actives

White Sapphire

White Sapphire is a high-purity alumina supplied in two grades — Matte and Glow — for skincare and colour cosmetics. Manufactured in Rocklea, Australia.

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INCI Name
Alumina
CAS No.
1344-28-1
Form
Powder
Grades
White Sapphire Matte · White Sapphire Glow
Origin
Rocklea, Australia
Certifications
COSMOSREACHVeganNon-GMOHalalKosherProp 65Produced under FDA-aligned manufacturing. Both grades meet FDA specifications for heavy-metal impurities (Pb, As, Hg).

Description

White Sapphire is a high-purity alumina (Al₂O₃ ≥ 97%, CAS 1344-28-1) manufactured in Rocklea, Australia. It is supplied in two grades: White Sapphire Matte delivers mattifying, anti-shine performance with no whitening cast, while White Sapphire Glow provides soft-focus radiance and light diffusion with a transparent finish.

Both grades are used in skincare and colour cosmetics, including foundations, pressed powders and sunscreen.

Grades

White Sapphire is offered in two grades built on the same high-purity alumina. Both grades share the specifications below and differ only in pH and mean particle size, each tuned to its finish.

Common to both grades

Crystal StructureHexagonal
Whiteness Index> 85.0
Al₂O₃≥ 97%
Surface Area4–7.5 m²/g
Tap Density0.5–0.7 g/cm³
Oil Absorption50–100 g/100g
Coefficient of Friction0.25–0.35
Grade Character pH Mean Particle Size
White Sapphire MatteMattifying, anti-shine performance with no whitening cast. 5.0–8.0 6.0–11.0 microns
White Sapphire GlowSoft-focus radiance and light diffusion, transparent finish. 9.0–11.0 4.0–12.0 microns

Both grades are manufactured in Rocklea, Australia, and meet FDA specifications for heavy-metal impurities (Pb, As, Hg).

Application & Use

Skincare & colour cosmetics

Skincare and colour cosmetics, including foundations, pressed powders and sunscreen.

Antaria  ·  White Sapphire

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