Smooth skin using the Photoshop High Pass filter
One excellent photo retouching technique to smooth skin and create realistic final results makes use of the High Pass filter. This filter is often used for sharpening, but if you duplicate the layer and alter the Blend Mode you’ll find that you get the opposite effect. This gives a silky finish and preserves skin texture for a great final result.
Press Cmd/Ctrl+J to duplicate your layer. Name duplicate layer ‘High Pass’.
02 Set Blend Mode
Change the Blend Mode of this duplicated layer to Overlay.
Press Cmd/Ctrl+I to invert the layer and give yourself a different perspective.
04 Set pixels
Go to Filter>Other>High Pass and enter a value of exactly 10px.
05 Set Blur radius
To get the right sized brush, go to Filter>Blur>Gaussian Blur and set radius to 3px.
06 Add full mask
Hold Alt and click the Add Layer Mask icon in the Layers Panel for a full mask.
07 Blur skin
Hit B for your Brush tool then paint over skin with a white, soft-edged brush.
08 Lower Opacity
If you feel the blurring is too strong, lower the Opacity in the Layers Panel.
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