The MAFKit Workshop already comes with all the necessary eye and brow meshes but you will need the textures that you want to use. As well as the hair meshes and textures that will be used for your follower.
Since the facegen has been made in Racemenu, all you need to do is open the nif file of the preset that you plan to use.
Go into your SKSE folder, NMM users it should be in Skyrim/data for MO it should be in your mods or overwrite folders.. Once there open the Nif file with Nifskope.
Just watch this short video on how to gather the rest of the textures and meshes.. don’t mind my dialect, English isn’t my first language.. Gibberish is…