Why do colorists' products have plastic codes?

All colorist's products have plastic codes, because they are cards and samples containing color blocks for comparison and selection of colors. According to the relevant public information, the plastic code used by the colorist is really a kind of card and sample containing color blocks, which is used to compare and choose colors. These color blocks are usually marked with different color numbers, so that the colorist can accurately record the selected color data when mixing colors. At the same time, these plastic color blocks are durable and easy to clean, which is one of the tools commonly used by colorists.