Frequency separation comes back into play in this edit using the median filter function with the preset of 8. Nino walks through his method of using frequency separation again, demonstrating for you the how and why of the plugin.
Nino uses liquify for corrections and stylistic choices, and done with anatomy/physique kept in mind.
Nino jumps into making the eyes pop just a little bit more using levels and a luminosity mask in order to preserve the contrast of the eyes making the windows to the soul a little clearer.
How do you balance noise with the previous sharpening? These actions can often work against each other, so learning to balance the two to make sure you have the best image is critical. Nino focuses on that balance in this video.