i hate hair too lol, patience is th ekey first make a base of the hair and then start adding color little by little, instead of worknig layer by layer on a WHOLE thing try working completely in one spot only like bangs or the very top you know
I tried that, it ended up looking like ----. Hell vectoring eyes is easier... Ill try again but go slower this time >.<
if u wanna vector hair just make it all 1 colour than start added little shades of other colours. Takes awhile tho.. gotta be patient.