... quiet, loosen up, successful dredge lymphoid edema.Strong light: Powerful light can effectively reduce the spot, capillaries, wrinkle, ... and effective.Yellow LightHigh purity yellow light, which is effectively matched with light absorption peak of vein, could irritate ... way.Blue lightHigh purity blue light, which is effectively matched with light absorption peak of Propionibacteriaeae in acne, ...