The auxiliary products are indispensable mediums for madifying the characteristics of the colors.
This kind of mediums can be divided in five categories:
-Gessos for the preparation of the painting grounds
-Mediums for modifying or binding the colors.
-Special Mediums developed for changing the properties of the colours or delaying the drying time.
-Various transparent gel mediums
- Opaque textures which add volumen and body for the colors.
The auxiliary products are waterproof, they don't yellow and are resistant to ultraviolet.