Hii, so the head is too round, you should make the nose a little rounder, and for the hair I advise you to use pencils and not to do this type of line, the lips are too big.And you should round the eyelashes because otherwise it's not realistic, and you should add colors and shadows, I advise you to watch tutorials! don't give up 💪🏻!And my comment is not mean, I just want to help you, so don't feel offended