Ok, lets see.
Nice use of photoshop filters, its rare for someone to actually attempt it. The fact is a little hight, try and get the nose centered. Eyes are nice for a beginner, but a little offset. Try and move the iris closer to the middle to make them seem focus forwards.
Hairline needs to come down too, and the bottom needs to be shaded to give depth. But, that's about it. Good start.