Unlike "soft" or "French" pastel sticks, which are made with a gum or methyl cellulose binder, oil pastels consist of pigment mixed with a non-drying oil and wax binder.
oil pastel (a stick of pigment mixed with a non-drying oil and a wax binder)
use mineral stuff and then rub dish soap on it then wash it regularly
FFA (free fatty acids)
E made in the 1999 :)
How to Make African Reliquary Figures Part 3
How to Make African Reliquary Figures Part 2
How to Make African Reliquary Figures Part 1
Paintings by Ed Bronstein