Shading the hair
Next, we add shadows to the hair.
① As the wavy, layered hair is one of the key elements of this illustration, I added detailed lines with the [Pen] tool → [G-Pen] while keeping bundles of hair in mind.
② Using the [Airbrush] tool → [Soft], blur is added with the same color as the shadows.
Blurring is added sparingly to the parts that need softness, such as the curves.
③ The tips of the shadows are blurred with a transparent colored [Soft], and the hard shadows are blended.
With ② and ③, I’m careful not to overdo both, as that can make the entire image seem soft.
④ A new layer is made, and a pale gradient is added with [Soft] to add volume. Adding a color with high saturation leads to prettier results.
⑤ Darker shadows are added. The layer’s blending mode is set to [Linear burn]. More depth can be added by using a purple shade.
* Because of the [Linear burn] settings, the displayed colors will look darker than the drawn colors.
⑥ A new layer is made, and shadows are drawn with the same color. This layer’s blending mode is also set to [Linear burn].
Shadows are added to parts like the hair in the background, the edge of the shadows, and contrast is added to the bangs.
Texturing the hair
At this point, the hair looks too smooth, so I will added textures to make it look more bundled.
① A new layer is made, and as before, its blending mode is set to [Linear burn].
As it will look out of place as is, the roughed-in hair texture is blended by painting over it with [Soft] and a light color.
② The colors of the bangs are blended. The tips of the bangs are blurred with the skin tone.
By doing this, the skin tones on the face look prettier.
Finishing the hair
Finally, overlay a new layer, and with [Soft], paint a blue gradient on the tips of the hair.
By setting this layer’s blending mode to [Soft light], the tips will become slightly blue.
With this, the coloring of the hair is complete.