Wats up UG

i'm about to buy black fingerboard dye and finishing oil. first thing i want to get out is, is this good on rosewood. i heard it could fall apart? second thing is, that do i need to get the finishing oil if i put the dye on? thnx! o and im getting these from

Wats up = Having math, had math for 8 hours soon.....

You should ask the people from stewmac, only heard good things about them.
Also yes, if I was you I would put finishing oil after the dye. Remember just that the dye need to sink into the wood