Some basic facts about painting hair which I have been gathering from my own observations or from studying theory…
| Hair comes in layers: |
This means you have tons of single hair and strands laying on top of each other and like any other element like normal fabric for example, it casts shadows and interacts with and on itself. As a matter of fact I think clothing is in it’s nature pretty close to how hair reacts – you can look at it as just some special kind of fabric some how..