Light and Dark: A Tutorial on Black and White Hair by *TheSpaceGypsy on deviantART
Important! This brush seems to only call Photoshop CS series it's home. I'm not sure if it's in the other versions of PS. If you know of another version it's in, please share and I'll list it here!...
Photoshop Painting Tutorial by Yue-Iceseal.deviantart.com on @DeviantArt
The starting comparison is wrong. Cartooning is an exaggeration or simplification of reality. I feel posts like this are great for self reference and improvement, but in a year you'll look back and see how naive you were.