Copy the layer, open liquify, pull the hair down, create the mask on this layer, and save only the needed head portion for a much better forehead correction.

Enhance eye expressiveness and volume with dodge and burn on a 50% gray layer, using color dodge techniques, clean whites, and mute red via hue-saturation.

Remove excess hair and adjust the face shape. Increase contrast with curves, set the blending mode to luminocity, and apply sharpening.

Apply liquify to correct nose, neck, and ears; use frequency separation with a radius around 7–12, then refine textures with brush, eraser, color layers, and history brush for final texture.

Improve eye realism with a 50% gray layer, dodge and burn, and a copied retouched eye using a mask and brush to adjust saturation and contrast; practice with psd files.