Daler rowney artists oils are professional quality paints designed for durability and permanence and made using only the very best materials available the distinctive buttery consistency of these paints derives from the use of linseed oil and wax which acts as a plasticiser helping to prevent even heavy impasto from becoming brittle and cracking over time in order to achieve the accuracy of colour and strength of tint a precise formulation is used combining oil content and high quality pigme