If you have already dealt with the hands and feet, you may only need to use hand lotion before doing your nails. At least, wash your hands or feet and apply lotion. After applying moisturizer, take a towel and rub all over each nail. Use the towel with your hands. This will remove all oils from nails to nail art remains in place when you apply for it later. Later, the nails should be cut to the shape you want to nail designs. Generally, people follow the natural shape of the nails, if square, round or triangular. Nail file to shape and trim nails easily without removing too much of your nail.