@Morgana
I only use them in sketchbooks so I can't say much about lightfast quality.
Anyway, for companies that don't list the pigments or lightfast info for their products, I either use them in sketchbooks where lightfast is not going to be a problem, or I just don't use them at all just in case.
@Morgana
I only use them in sketchbooks so I can't say much about lightfast quality.
Anyway, for companies that don't list the pigments or lightfast info for their products, I either use them in sketchbooks where lightfast is not going to be a problem, or I just don't use them at all just in case.