... treating acnes which is suitable for sensitive, acne, and oily skin. At the same time, the blue light can relax ... pains from the muscle, joints, and nerves.Improve slacking skin, complexion, prevention on the blemish problem.Yellow Light wavelength: ... fine lines, eliminate wrinkles, soothing, and balance sensitive skin.Improve sensitive skin and speed up metabolism.Specifications:Principles: LED, Bio ...