PF beads have much durability for its discoloration and shade change compared to the
beads not having PF finish. However, please be noted that there is a possibility that the
colors of PF beads might come off under the conditions below in the nature of its finish method
・Strong impact and continuous friction
・Usage of organic solvent (included in perfume, eau de toilette etc)
Below is the picture of rubbing test by TOHO.