... monochromatic light. It is safe compared with Laser and IPL, and even safer than sunlight because it does not have ... During the treatment, photosensitive collagen could be used, and it could lead into hypoderma fast and efficiently, absorbed by cell, generate the ... mark, folliculitis 3,Reduce the erythema and telangiectasia.4,Smooth and diminish fine lines and wrinkles,tighten sunken or saggy skin5, ...