By Emily Tarpinian-O’Neill,The Washington PostWhat is milk cosmetics?Milk cosmetics are an increasingly popular alternative to the traditional cosmetic brands.These brands include:Milk brand names:Coca-Cola,Cola Zero,Diet Coke,Dr. Pepper,Gatorade,Kombucha and so many more.They are available in nearly every grocery store, convenience store and drugstore, and you can find them online or in drugstores like Walgreens and Target.They typically …