Apply black base coat.
White marble nail polish.
So i m assuming that the nail polish remover etched the marble unless there is some type of nail polish remover product that contains a colored dye that could stain.
Nail polish remover is usually acetone which does not damage or stain marble and some other products which can damage marble.
Marble nails tutorial with classic black.
Use a plastic wrap and black and grey nail polish to blot on a marble texture.
Repeat the procedure with rose gold flakes.
Apply a base coat.
Apply a top coat.
If i just want to do the ring finger i paint my ring fingers white first before settling on the color for the other fingers because this is m e s s y.