Another good product is the Bickmore Foaming Dark hat cleaner. It is available in 5.5 ounces and comes in an aerosol can. The Foaming Dark hat cleaner is meant to clean your fur felt dark-colored hats and works well for removing most water and oil stains. If you have a favorite felt hat that is also made with fur fabrics, such as a winter hat you wear frequently, this is one of the best cleaning products on the market for you.
Simply spray Foaming Dark on your darker colored hats and blot at it with a towel or cloth to eliminate any stubborn stains. It will keep your hat looking great for years.