I used both Fiebings and Tarrago. But if you just want to revive the color you can use Tarrago Self Shine Dye. Fievings is a penetrating dye but some have said, and I also noticed it leaves a metallic hue. I had to apply it as I wanted a blue undertone and not the pink original color I had underneath.
Thank yo so much, I was waiting for Fiebings but will also try Tarrago. I'm concerned when I dye, the dye will rub off. I heard Feibings need coating so it won't rub off, how is Tarrago?