EGF is called cellular reproduction factor and is a factor a human being has by nature. It unites with a receptor on the surface of the skin so helps facilitate production of new cell and is a kind of protein formed from 53 amino acids in the human body.

After taking a laser operation, rubbing the laser doctor cream on the skin prevents the skin from aging and promotes new cellular growth of the skin cell. Furthermore it helps maintain elasticity and sleekness of the skin and prevents wrinkles.