Margo Benson. I recently spent a day in London learning the application and techniques of airbrush make up.  There are several airbrush systems, both silicone and water based and I chose a silicone one called Airbase.  Airbase was brought to the UK by Judy Naake, the woman who brought us the St Tropez tanning line and it was in her London home that the training took place.  The class was in the...