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Magnesium Aluminum Silicate

Irritancy: 0
Comedogenicity: 0

Details

A type of clay mineral that works as a nice helper ingredient to thicken and stabilize formulas. As a clay, it consists of platelets that have a negative charge on the surface (face) and a positive on the edge. So the face of one platelet attracts the edge of the other and this builds a so-called "house of card" structure meaning that Magnesium Aluminum Silicate (MAS) thickens up products and helps to suspend non-soluble particles such as color pigments or inorganic sunscreens (zinc oxide and titanium dioxide).

As the "house of card" structure takes some time to form but collapses quickly if the formula is stirred, products thickened with MAS can be thick in the jar but become easily spreadable upon application (called thixotropy). MAS also gives nice sensory properties, it is not tacky or sticky and gives a rich, creamy skin feel. Also a good team player and works in synergy with other thickeners such as Cellulose Gum or Xanthan Gum

Show me some proof

  • International Federation of Societies of Cosmetic Chemists Monograph number 3, An introduction to rheology

Products with Magnesium Aluminum Silicate

Aqua Mineral Puffiness Eraser Eye Cream Avivie Intensive Lifting Mask BOSCIA White Charcoal Mattifying Treatment Primer Becca Ever-Matte Poreless Priming Perfector Brickell Men's Products Purifying Charcoal Face Mask For Men Fulford India Emolene Cream Galénic Flash De Beaute Express Tensor Gel Kruidvat Skin Science Anti Age Eye Serum Mavala Eye-Lite Double Lash Night Treatment NYX Can't Stop Won't Stop Matte Primer Remescar Crow’s Feet Remescar Eye Bags & Dark Circles Remescar Instant Wrinkle Corrector Shea Moisture Raw Shea & Cupuacu Frizz Defense Gel Cream Skin Labo Intensive Lift Serum Tata Harper Clarifying Spot Solution Venofye Viperlift Bio Syringe Yes to Carrots Vitamin-Enriched Kale Diy Powder-To-Clay Mask ASDA Charcoal Mask BLACK TRUFFLE Instant Repair Syringe Bad Habit 10-Minute Rehab Green Juice Charcoal Detox Mask Beverly Hills MD One Drop Rewind™ Cattier Paris Gommage Argile Clay Scrub With Aloe Vera Cattier Paris White Clay Srub Dermasence Chrono Retare Anti-Ageing Eye Cream Dr. Spiller Herbal Mask With Aloe Elemento Mineral Máscara Facial Bio Mineral Eterno Time Eraser Eveline Purifying Face Mask With Activated Carbon GLAMGLOW SUPERCLEANSE™ Cream-To-Foam Cleanser GLAMGLOW Supermud Clearing Mud Mask Treatment GLAMGLOW Supermud Clearing Treatment GLAMGLOW TROPICALCLEANSE™ Daily Exfoliating Cleanser GLAMGLOW Youthmud Glow Stimulating Treatment Mask Glam Glow Supermud Clearing Treatment Mask L'Oreal Men Expert Pure Charcoal Mask La Roche-Posay Effaclar Clay Mask Make up Revolution Revolution Re-Loaded Iluminador Mario Badescu Enzyme Revitalizing Mask Mavala Eye-Lite Double Lash (Updated Formula?) Monat 30 Second Miracle™ Instant Perfector My perfect cosmetics My Perfect Eyes Organic Skin Anti-Acne Whitening Serum PFL Premiere Face Lift Proactiv Step 1 Cleanser Revolution Skincare Charcoal Purifying Face Mask Revolution Skincare Pink Clay Detoxifying Face Mask Superdrug B. Glowing Clay Face Mask The Aesthetics Skin Dion Mulya Glowing So Matcha Clay Mask VeraLab Mad Mud Dren