Originally Posted by Custom Cookies by Sally:
I had the opportunity to take some extra classes at Cookie Con this year and one of the biggest tips I received about airbrushing (From Shannon at Artfully Designed Creations) was to use a paintbrush and dust the cookie with cornstarch before packaging. Be careful just to dab it so you don't smudge it!
I only use glaze icing and haven't had a problem!