K-SKIN KD-7910 Acne Laser Pen Portable Wrinkle Removal Machine Durable Soft Scar Remover Device Blue Light Therapy PenFeatures: Promote combination of protein and bone collagen, activate the skin, tighten the loosen skin. Effectively inhibit acne bacillus and improve red spot, oily skin and heavy sensitive skin, shirk pore, remove acne. Using the specific 415nm blue light in the visible light to kill the bacteria in the skin and pores. The stability of the 42 degrees heat and BIO micro electric current can effectively reduce the grease of pimples, so that to