If the plugin is grayed out, ensure your document is in 8-bit mode (Image > Mode > 8 Bits/Channel) and RGB color.
The plugin ships with default presets: Normal , Medium , and Heavy . However, power users create custom presets for specific camera sensors (e.g., "Canon R5 Skin" vs. "Fuji Velvia"). Imagenomic Portraiture 2.3.08 Plugin For Photoshop
This guide covers installation, optimal sliders, and the "Frequency Separation trick" for Portraiture 2.3.08. If the plugin is grayed out, ensure your