Ming Wang's series of bath brush filaments, which include PA6, PA66, PA610, PA612, and PBT, are characterized by their wear resistance and fine softness, with additional attributes such as antibacterial and high-temperature resistance. The filaments are gentle and comfortable, mild and safe on the skin, flexible yet dry to the touch, with strong resilience and an extended lifespan. Having passed the Japanese BOKEN antibacterial test, they are capable of antimicrobial and mildew resistance, achieving an antibacterial rate of over 99.9% in humid environments.