The layer’s parameters: Fill 0%
Blending Options>Drop Shadow

Blending Options>Gradient Overlay

Gradient’s parameters:

Blending Options>Stroke

Gradient’s parameters:

We need to give some blackness for the mouth’s opening. In this case we’ll use the earlier applied tools. The layer’s color is black. This layer will be placed lower than the face’s layer and the previous introduced layer.

Next we’ll draw another element of the head. Choose the Rectangle Tool (U) for this operation. This layer needs to be placed lower than the face’s layer:

The layer’s parameters: Blending Options>Gradient Overlay

Gradient’s parameters:

Using the Rectangle Tool (U), draw a thin line:

The layer’s parameters: Fill 0%
Blending Options>Gradient Overlay

Gradient’s parameters:

Create a new layer above the line’s layer. Put together both layers by pressing Ctrl button for marking the layers and then press Ctrl+E. Using the Free Transform option, try to turn over the line’s layer and situate it the same way as below:

Make a copy of the line’s layer and select again the Free Transform option to turn over the layer of the copy, situating it the same way demonstrated below:

Choose this time the Ellipse Tool (U) to represent a highlight:

The layer’s parameters: Opacity 33%, Fill 0%
Blending Options>Gradient Overlay

Gradient’s parameters:

Using the Pen Tool (P) and the Convert Point Tool, try to make another element on Iron Man’s head:

The layer’s parameters: Blending Options>Inner Shadow

Blending Options>Gradient Overlay

Gradient’s parameters:

Blending Options>Stroke

Gradient’s parameters:

Next we have to make the openings for the eyes. Let’s use this time the line tool too (the same way described above) for keeping the asymmetry. The tools applied in this case are the well known Pen Tool (P) and the Convert Point Tool. The layer’s color in this case is black.

The layer’s parameters: Blending Options>Drop Shadow

Blending Options>Inner Shadow

Blending Options>Stroke

Applying the above mentioned tools, it’s possible to represent the first eye on the head:

The layer’s parameters: Blending Options>Outer Glow

Blending Options>Inner Glow

Make a copy of the earlier made layer containing the eye. Applying the Free Transform option, it’s possible to turn around the copy’s layer and situate it the way indicated next image:

Mark out the face’s contours, choosing for this operation the Pen Tool (P) and the Convert Point Tool (for the appropriate corrections).

The layer’s parameters: Fill 0%
Blending Options>Drop Shadow

Blending Options>Stroke

Gradient’s parameters:

The final result!

View full size here.