duplicate a layer -> spot healing brush (J) -> remove all marks/spots
duplicate a layer : filter -> blur -> surface blur-> radius 14, treshold 33
add mask / cmd+i(change mode to multiply) paint area you want to blur. At the end change back to normal mode
if skin is too plastic: filter -> add noise (amount 2%,gaussian and monochronic ticked), play with opacity.
create new layer->fill with 50% greay(mode soft light)
dodge tool (o) for lights (white eyes) or burn tool (o) for dark (eye shadow) or adjustment layers ->curves
apply Unsharp Mask (Filter -> Sharpen- > Unsharp Mask) radius 1.3%