It can block the neurotransmitter between nerves and muscles, and weaken the transmission of information between them to stop muscle movements. It is a effective procedure against wrinkles by paralyzing muscle movement on face for a certain period of time. It can inhibit the muscle contraction, relax the muscles in the treated area, and reduce the tension of muscles, thereby removing facial wrinkles, smoothing facial lines and preventing the formation of new wrinkles.