Gradient Filter functions are generally used for darkening or coloring the top of a photo—usually the sky. They basically replace a physical gradient filter that you’d place over your camera’s lens. But the Gradient Filter in ZPS X is also highly customizable and offers lots of creative opportunities.
Natural-looking skin is the foundation of a good color portrait. The problem here is that differing light sources in one picture and light reflections off of grass or clothing can cause unnatural color spots. Fortunately you can repair skin color on your PC.