Frequency Separation: The Game-Changing Technique Every Portrait Retoucher Needs to Master
Frequency Separation: The Game-Changing Technique Every Portrait Retoucher Needs to Master When I first discovered frequency separation, I felt like I’d unlocked a secret level in portrait retouching. This technique changed everything about how I approach skin editing—and I’m excited to share it with you because it genuinely transforms your results. Frequency separation works by splitting an image into two layers: one containing color and tone information, and another containing texture and detail.