Frequency Separation Courses
The Joy of Editing with Dave Kelly via YouTube TK8 Plugin for Photoshop - Frequency Separation with Color Control
The Joy of Editing with Dave Kelly via YouTube 3 Steps to High-End Skin Retouching in Photoshop
PiXimperfect via YouTube Photoshop CC Portrait Retouching
Pluralsight TK Friday: Guided Frequency Separation Deep Dive
The Joy of Editing with Dave Kelly via YouTube