My hard-anodized aluminum pan has been in the dishwasher once or twice and now the outside doesn't look as nice as it once did. How can I restore the exterior back to
Amazon.com: Calphalon 10-Piece Pots and Pans Set, Nonstick Kitchen Cookware with Stay-Cool Stainless Steel Handles, Dishwasher and Metal Utensil Safe, PFOA-Free, Black : Clothing, Shoes & Jewelry
Classic™ Hard-Anodized Nonstick 7-Quart Dutch Oven with cover | Calphalon
Calphalon 10-Piece Aluminum Non Stick Cookware Set & Reviews | Wayfair