PF beads have increased durability against discoloration and fading when compared to the
beads not having PF finish. However, please note that there is a possibility that the
colors of PF beads might come off under the conditions below due to the nature of this finish method.
・Strong impact and continuous friction
・Usage of organic solvent (included in perfume, eau de toilette, etc.)
Below are the results of the rubbing test conducted by TOHO.