Question costum shader 3rd person ?

Hello, I have two questions.

  1. how to integration in unreal 4 scaleform gfx ?
  2. How to create a Shader to customization character (color of hair, skin, eye color, the color of shadows, the contour of the eyes, shadows in her eyes, the color of the eyebrows, skin color, lipstick) ?

Sorry for my bad eng.