An alernative to White spirit which does not evaporate. It efficiently cleans brushes, surfaces soiled by oils, tar, etc ... Suitable for hands too! Extra advantage: tools do not harden after cleaning. For more info:
FR
http://www.galtane.com/fr/product/solvant-vegetal
NL
http://www.galtane.com/nl/product/plantaardig-oplosmiddel
Galtane plant based solvent