Where find pottermore book 1 chapter 13?
This shape layer should cover the whole hair area. Using the FX menu, with this new shape layer selected, pottermote a Gradient Overlay which fades from your original base color at the top of the hair, to your shading color toward the bottom of the hair. Make sure the white shape layers themselves are set to Normal, and only the group folder itself is set to Color Dodge. Remember you can refer back to the previous tutorials should you pottermore book 1 chapter 13 to.