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Alumina

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

Details

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

Australian Gold Botanical Sunscreen Face Tinted Spf 50 Blistex Soft And Lush Lip Balm Volim Love Scrub Azelique Age Refining Skin Polish Biore Charcoal Pore Minimizer Bobbi Brown Radiance Boost Face Mask Colourpop Supershock highlighter Derma E Microdermabrasion Scrub Dr. Brandt Microdermabrasion Dr. Brandt Poredermabrasion Dr. Brandt Skincare Microdermabrasion Ave Defying Exfoliate Image Skincare Ageless Total Resurfacing Masque Kiehl’s Epidermal Re-Texturizing Micro-Dermabrasion Nia 24 Physical Cleansing Scrub (2015 Reformulation) SkinCeuticals Micro Polish Spotlight Beauty Vp22 Touch Microdermabrasion Vasanti Brightenup! Enzymatic Face Rejuvenator Australian Gold Botanical 70 Australian Gold Botanical Spf 50 Tinted Facial Lotion Australian Gold Botanical Sunscreen Tinted Face Mineral Lotion, Broad Spectrum, Water Resistant, Spf 50 Australian Gold Natural Botanical Mineral Spf 50 Sunscreen Lotion Blue Lizard Baby Mineral Sunscreen Spf 50+ Blue Lizard Sensitive Face Mineral Sunscreen Spf 30+ Blue Lizard Sensitive Mineral Sunscreen SPF 50+ Coola Daydream® Mineral Spf 30 Makeup Primer Sunscreen Cotz Face Natural Skin Tone Spf 40 Cotz Face Natural Tinted Spf 40 Cotz Face Prime & Protect Spf 40 – Tinted Dermadoctor DD Cream Dermatologically Defining BB Cream Broad Spectrum SPF 30 EltaMD Uv Physical Tinted Face Sunscreen Spf 41 Exuviance Exuviance Triple Microdermabrasion Face Polish Mary Kay Time Wise Microdermabrasion Neutrogena Sensitive Skin Mineral Sunscreen Lotion With Broad Spectrum Spf 60+ & Zinc Oxide, Water-Resistant, Hypoallergenic, Fragrance- & Oil-Free Gentle Sunscreen Formula Peter Thomas Pumpkin Enzyme Mask Enzymatic Dermal Resurfacer Peter Thomas Roth Pumpkin Enzyme Mask Peter Thomas Roth Pumpkin Enzyme Mask SVR Densitium Contour Des Yeux Tizo Facial Mineral Sunscreen Tizo Tizo 3 Facial Primer Sunscreen VMV HYPOALLERGENICS Armada Post-Procedure Barrier Cream 50+ Youth Lab CC Complete Cream SPF 30 Bare Republic Mineral Sunscreen Lotion SPF 70 Hourglass Illusion® Hyaluronic Skin Tint Lanbena Green Whitening Uv Sunscreen Face Cream Spf50+ Merumaya Mineral Cleansing Paste Neova Dna Damage Control Silc Sheer 2.0 Broad Spectrum Spf40 Perfecta Fenomen C Exfoliating Mousse Gel SVR Liftiane Serum Smashbox + Vlada Petal Metal Highlighter - Gilded Rose