Really? I thought it would be closer to 50+
Here's a breakdown-
Background - 2 Layers
Back of his mouth, eye socket and nostril - 1 Layer and 1 Adjustment Layer
Eyes - 10 layers, 4 Adjustment Layers
Gums and Teeth - 2 Layers
Jaw and eye socket bone - 1 Layer
Blood and weathering on jaw bone - 2 Layers
Mouth muscles, etc. - 1 Layer
Burnt flesh - 1 Layer and 4 Adjustment Layers (black part), 1 Layer (flesh bits)
Flesh and Stubble - 2 Layers
Clothing - 5 Layers, 3 Adjustment Layers
Eyebrow - 1 Layer
Hair - 6 Layers
Ok, so in total, 35 unique layers to make up this image.