Changes 195 out of the 225 masks into holo versions of themselves, these 195 masks are unable to be customized, due to the render template.
Mod also includes another mod that removes the head straps and eye cover for 3rd person models, there are 4 options for them. DON'T PUT ALL 4 INTO MOD OVERRIDE, SINCE THEY ARE CONFLICTING MODS

The masks that don't have the holo effect, are;
Biker, Krampus, Mrs Claus, Any/All Sunglasses, Baby Masks, Balaclava Mark, Chef, Fire demon, Coupier, surgical face mask, Troubled War Vet, Goat mask, Horse, Lone rider, The King, Ninja Hood, General Overkill, All 4 Santa Masks, Bulldozer mask.

Version 2.0
In addition to having the mod affect all masks by default, there are options to apply the effect to specific masks instead, to utilize this feature, you need to move specific mask folders to the mod override folder, as described in the readme file.

Notes:
Uses Mod Override.
If you want to remove the effect on specific masks, you need to locate the folder for them, inside the mod's directory.
Use this spreadsheet to get a search term, for each mask's folder, https://docs.google.com/spreadsheets/d/1004mBp3xoriJvfiIAHjZ6D6S5zn1lG6Hkisx5VxGpHA/edit?usp=sharing