Faber-Castell indicates lightfast ratings on the majority of our professional art materials with a star icon. The lightfast rating indicates the items resistance to fading, which has been tested under museum conditions.
*** = Maximum lightfastness = 7 ,8 Blue Wool Scale
Maximum fade resistance (100 + years)
** = Very good lightfastness = 5, 6 Blue Wool Scale
Very Good fade resistance (25 + years)
* = Good lightfastness = 3, 4 Blue Wool Scale
Good fade resistance (5 + years)