On the one hand, you have to clear the cuticles: the quick and practical solution is to apply the pencil Express Quit, let it act a couple of minutes and remove them with the bevelled tip of the pencil.
Then, give a good shape to the nails, cut them, if necessary with the pedicure nail clippers, and file them with the fiberglass file.
Always straight, do not overtighten the edges to avoid clipping. And to keep them healthier, you have another Express solution: Protein oil enriched with vitamins, which will regenerate and prevent drying. And to give them a natural glossy finish, six strokes of the nail polisher will suffice. So you can make up your nails with the best result.