Plasma is not a laser, not a radio frequency, not an ultrasound, not a photon. Plasma is the fourth condition that is different from solids, liquids, and gases. It's a gas that's highly dissociated. Ozone acts on the cell membrane of bacteria, causing damage to the membrane components, destroying lipoproteins and lipopolysaccharides in the membrane, changing cell lysis and death, thereby killing bacterial fungi and aphids in a very short period of time, and inhibiting inflammation, and the effect of acne is obvious. , ozone is reduced to oxygen after sterilization, There is no residue or secondary