/ic/ - Artwork/Critique

Anyone mind helping me with direct criticism? I feel like I’m not understanding heads enough to make them appealing, both shape and the faces. The eyes I can never draw them how I want them to look or have control where they’re looking first or second try, I get hung up and have to go over them multiple times. I draw characters every day but I’m still not getting a better understanding of how to draw appealing faces. I looked at plenty of materials and practice often, I just don’t know