When acne breakouts penetrate the skin deeply, they damage the skin and the tissue beneath it. As the acne clears, the body tries to repair this damage. During the healing process, the body produces collagen which is a substance that gives the skin support. If the body produces too little or too much collagen, it will form a scar on the skin. So it is important to take cares of our skin. In facts, by using Micro Roller System can helps to create ultra-tiny wounds to let the skin care product effectively penetrate even deeper into the skin. These make the skin absorb skin care product even more easily.