Sorry dude forgot that the post wasn't very clear lol.
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?In the Object Window, find the base Actor you've just edited.
?With the Actor(s) selected, press ctrl+F4. Click "Yes" when prompted to export.
?This will create a DDS and a TGA in ...\Syrim\data\Textures\Actors\Character\FaceGenData\FaceTint\Skyrim.esm
?Note: The TGA is not really neccessary, as the DDS should be uncompressed.
?With these textures in place, run the game and test your NPC. Note that the plugin changes need not be saved.
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So the two folders located in Textures/Actors/Character, and Meshes/Actors/Character, called facegen, are needed for your character to have the correct skin colour. They need to be included if you upload your mod for download, and put in the correct place in the Data directory.