Un-check the brush opacity option, and close off gaps or places where the color is light.Basically any layer will be made using this process. By the way, it's too much trouble to separate a space for the eyelashes, so I always end up putting them in the same layer as the hair.Select the fill tool, then check "all layers", and fill.Fill in the areas where lines go over the layer, and in the spaces between the pointy parts (shown with circles).all layers
