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Also-called-like-this: Aluminum Oxide, Al2O3


A multi-functional helper ingredient that's used mainly as a pigment carrier.  The pigment can be an inorganic sunscreen (such as titanium dioxide) or a colorant that is blended with alumina platelets and then often coated with some kind of silicone (such as triethoxycaprylylsilane). This special treatment enables pigments to be evenly dispersed in the formula and to be spread out easily and evenly upon application. It is super useful both for mineral sunscreens as well as for makeup products. 

Other than that, alumina can also be used as an absorbent (sometimes combined with the mattifying powder called polymethylsilsesquioxane), a viscosity controlling or an opacifying (reduces the transparency of the formula) agent.

Products with Alumina

Biore Charcoal Pore Minimizer Australian Gold Botanical Spf 50 Tinted Facial Lotion Coola Daydream® Mineral Spf 30 Makeup Primer Sunscreen Cotz Face Natural Skin Tone Spf 40 Cotz Face Natural Tinted Spf 40 Mary Kay Time Wise Microdermabrasion Peter Thomas Pumpkin Enzyme Mask Enzymatic Dermal Resurfacer Peter Thomas Roth Pumpkin Enzyme Mask Hourglass Illusion® Hyaluronic Skin Tint Biore Baking Soda Acne Cleansing Foam Biore Charcoal Acne Scrub Cliniderm Gentle Protective Lotion Spf 45 HydroPeptide Solar Defense Non-Tinted Spf 50 Filorga Skin-Absolute Day Etude House Dear My Glass Tinting Lips Talk Br402 Tarte Tarteguard Mineral Powder Sunscreen Broad Spectrum Spf 30 BRUSH ON BLOCK Sunscreen EltaMD Uv Physical Spf 41 Maybelline Superstay Matte Ink Liquid Lipstick NYX Mineral Stick Foundation NYX Mineral Stick Foundation NYX Dark Circle Concealer Algotherm Algotime Expert Youth Wrinkle Cream Cumlaude Sunlaude Spf30 Compacto Avene Cream For Sensitive Areas EXUVIANCE BY NEOSTRATA Sheer Daily Protector Spf 50 Hourglass Veil Mineral Primer Neostrata Sheer Physical Protection Spf 50 Pa++++ SVR Sun Secure Écran Minéral Teinté - Normal To Combination Skins Uriage Bariésun Mineral Cream Spf50+ Very High Protection Colourpop No Filter Concealer NYX Cheek Contour Duo Palette Uriage Bariésun Xp Cream Spf 50+ Boots No7 Stay Perfect Compact Foundation CeraVe Baby Sunscreen Lotion Estee Lauder Double Wear Foundation SkinCeuticals Physical Eye Uv Defense Spf 50 Cyberderm Simply Zinc Ultra Sun Whip Spf 50 Maybelline Fit Me Concealer Tarte Water Foundation Broad Spectrum Spf 15 - Rainforest Of The Sea™ Collection e.l.f. Foundation Palette Avene High Protection Compact Spf 50 Chanel Vitalumière Aqua Ultra-Light Skin Perfecting Makeup Spf 15 Dove Beauty Cream Bar NYX Sculpt & Highlight Face Duo Pharmaceris Sun Protect Spf 30 Hydrating Protective Face Cream Top Care Night Time Firming Cream Banana Boat Simply Protect Baby Spf 50+ J. Cat Aquasurance Compact Foundation Josie Maran Argan Daily Moisturizer Spf 47