Unlocked all skins except those from the DLC Skin’s and Head’s Packs.
Borderlands 2: Cheat (Edited Profile.bin file, all skins open) Free Download
To put the file, you need to go to the court C: \ Users \ Username \ Documents \ My Games \ Borderlands 2 \ WillowGame \ SaveData and then go to the folder with its name with numbers and drop this file there