... at home. The probe on one side is applied for mixing of ultrasonic with blue, green and red light while the probe ... ,000Hz, which is mainly used for lead-in nutrient. The skincare product adopts ultrasonic leading-in for the purpose to improve the absorption ... the skin, firm the flabby skin, shrink skin pores, effectively kill corynebacterium acnes and markedly improve red spot, oily skin and ...