notes for Retouching in affinity photo:
first separate image
filter -> frequency separation radius: 2px
remove spots
use inpainting brush on low frequency layer
soften skin pores
select high frequency layer layer -> new live filter layer -> blur -> gaussian blur radius: 2px (or less, until skin pores dissapear!) select the gaussian blur layer edit -> fill (black) select paint brush tool, set to white color then paint on large skin areas, avoid eyes/hair/mouth set opacity of gaussian blur layer to 50%
remove large blemishes
layer -> new layer select inpainting brush tool and paint set to current layer and below set opacity of layer to 50%