Sculpt a few skulls to get the structure of the head burnt into your brain. (Use reference) Then do a few heads with a basemesh (Use reference) I recommend Zbro's Base head Unless you want to make your own. Also try sculpting individual features of the face on the sides of a single cube. Like 6 different lips, eyes or…
I've done a bunch of sculpting vids on the face, here is one that you might find of some help: a warrior from a sphere (good way to see how to approach the upper body in a conceptual sense) [ame="http://www.youtube.com/watch?v=5wH70X2PxrI"]Warrior Speed Sculpt part 1 - YouTube[/ame] there are others on my channel, but I'm…
I know something that really helped me with sculpting heads was doing some practice studies of just certain parts. Take a 8 sided cylinder into Zbrush and just do ears. set a timer for 10min and every 10 min start a new one. have references up and work from them at all times. you will be amazed how much it helps to just do…
Here's another great vid. I base my workflow for mouth/lips on this method: [ame="http://www.youtube.com/watch?v=tbxdws5fr-w"]Rick Casali - Sculpting the Mouth - YouTube[/ame] Regarding brushes; it does take time to learn how the brushes work and how to use them. That in itself is a skill developed over time. Don't be…