These are pure powder with no grease added like most weathering powders, yet they are so fine that they adhere to vertical surfaces.The main benefit is that you can play to your hearts content and simply wash off if you are not happy, or fix it with matt varnish if you are happy. This item was previously made by MIG production and is now made by Abteitlung 502 in connection with AK interactive, and as far as I can tell it is absolutely identical, same bottle same number, same name.