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Alumina

Also-called-like-this: Aluminum Oxide, Al2O3
What-it-does: viscosity controlling, abrasive/scrub, absorbent/mattifier

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 All Natural Max Strength SPF 50 Sunscreen Lotion Australian Gold Botanical Lotion SPF 30 Australian Gold Botanical Sunscreen Face Tinted Spf 50 Beauty Face Mascarilla Facial Miel Blind Barber AHA Refining Solution Scrub Blistex Soft And Lush Lip Balm Blistex Ultra Protection Lip Balm, Spf 30 Blue Lizard SPF 50 Kids Mineral Sunscreen Blue Lizard Sensitive Face SPF 30+ Dior Backstage Glow Face Palette - Universal Heliocare Color Cushion Compact SPF 50+ Volim Love Scrub Anastasia Beverly Hills Iced Out Highlighter Avon Anew Clinical Isa Knox Collagen Booster Microneedling Polisher Azelique Age Refining Skin Polish Babo Botanicals Sheer Mineral Sunscreen Spray Biofor Smoothing Crystal Peeling Biore Charcoal Pore Minimizer Bobbi Brown Radiance Boost Face Mask Colourpop Supershock highlighter Colourpop Ultra Matte Lip #Snowfleek Derma E Crepey Skin Pre-treatment Exfoliating Scrub Derma E Microdermabrasion Scrub Derma-ceutix Anti-Aging Sunscreen SPF 35+ Dr. Brandt Microdermabrasion Dr. Brandt Poredermabrasion Duetus Face Scrub Fluff Superfood Glow Up Face Scrub Galderma Benzac Blackheads Facial Scrub Goop Beauty Goopglow Microderm Instant Glow Exfoliator Ilia Daylight Highlighting Powder Ilia Daylite Highlighting Powder Image Skincare Ageless Total Resurfacing Masque Kiehl’s Epidermal Re-Texturizing Micro-Dermabrasion Lavié Bosem (velvet) Daily Micro-exfoliating Cream MINCER Pharma Vita C Infusion Moisturizing Microdermabrasion Nacomi Acne-Control Face Scrub Nacomi Anti-aging Face Scrub Nacomi Moisturizing Face Scrub Nacomi Smoothing And Brightening Face Scrub Nia 24 Physical Cleansing Scrub (2015 Reformulation) No. 7 Total Renewal Peter Thomas Roth Potent-c Power Scrub Physicians Formula Bitter Butter Physicians Formula Butter Believe It Pressed Powder - Creamy Natural Physicians Formula Butter Buddies Butter Scotch Matte Setting Powder Translucent Matte Prai Ageless Throat Microdermabrasion Skin Resurfacer Seed To Skin Radiance Sesderma Abradermol Microdermabrasion Cream Shu Uemura Rouge Unlimited Matte
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*INCI is a list of the standardized and internationally accepted names used in the declaration of ingredients on cosmetic and personal care products. It is published by the Personal Care Product Council.
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