Why is only 1 side of aluminum foil shiny?

Is there a purpose behind the two different textures? Should we be using different sides for certain reasons?
Is there a purpose behind the two different textures? Should we be using different sides for certain reasons?
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7 Things You Should Never Do With Aluminum Foil

Should You Use the Shiny or Dull Side of Aluminum Foil? – LifeSavvy

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cooking foil - Online Discount Shop for Electronics, Apparel, Toys, Books, Games, Computers, Shoes, Jewelry, Watches, Baby Products, Sports & Outdoors, Office Products, Bed & Bath, Furniture, Tools, Hardware, Automotive Parts, Accessories

cooking foil - Online Discount Shop for Electronics, Apparel, Toys, Books, Games, Computers, Shoes, Jewelry, Watches, Baby Products, Sports & Outdoors, Office Products, Bed & Bath, Furniture, Tools, Hardware, Automotive Parts, Accessories

Why is Aluminum Foil Shiny on One Side?, by Harlan Brothers

Why Aluminum Foil Is Shiny On One Side While Dull On The Other?

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Why is Aluminum Foil Shiny on One Side But Not the Other?

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