If your hair is naturally black you can dye it most colors, though you may not be able to achieve a very pale blonde. If you've dyed it black your options may be limited. Perform a strand test to see what's possible.
If your hair is severely damaged, it will not be possible to get a color that requires pre-lightening, such as pink, without risking severe damage and breakage.
Leather is porous and will tend to absorb whatever quantity of wax is applied. Try wrapping 2 layers of clean white newsprint and ironing the surface. You need to have...
If your roots turn out orange and the rest of your hair is the right shade, you can correct this with a demi-permanent color. Demis don't lift, so they won't...