Lefranc Bourgeois Matte Gel Impasto Medium

Mastic resin-based matte gel medium The impasto medium is a paste with a dense structure. 
It contains a very manageable mastic resin which allows the material to be worked in thickness in order to create hard impastos. 
The writing becomes more frank and maintains a vivid relief over time. 
It can be combined with Flemish medium to obtain larger impasto.