5 deviants said Clothes, folds, and wrinkles
5 deviants said How you color in general
2 deviants said Human anatomy and/or poses (if you pick this one, please specify more with a comment )
1 deviant said How you do your hair (again) because the last one wasn't the best of quailty
1 deviant said Can you make line arts for us to color instead? ^^
1 deviant said No tutorials. You should learn more before you start to teach.
No deviants said Eyes and other facial features