Observe best practices when masking to make effective masking adjustments for convincing compositing, using native photoshop tools. Use blurring and paint strokes to enhance the compositing.
Identifying flat areas in the base composite and targeting areas to build shadows based upon the production light source. Learn to build dimension with shadow and light. Paint with a variety of shadow techniques, developing a layered approach, creating a soft, natural diffusion.
Review areas to apply the shading technique and consider best practices for creating a realistic composite with dimension and shape. Considerations around a layer based shading approach
Refine the composite to remove halos. Create a simple skin retouch.