Remove the gel nails is difficult. Neither acetone nor special professional liquid (Acrylic Remover) can not be it either soften or dissolve. Therefore, there is only one possible way - to cut gel nails. But this should be done with great caution, since the boundary between the natural nail and accrued almost invisible even for a specialist, and a high risk of damage to the nail plate.
If you decide to remove gel nails at home, it should not be used for this purpose glass or metal with notches (from the usual manicure sets) nail file and evropemzu. Sawing should be chosen with abrasive equal to 100-150 grit. Such a tool is rigid enough for and artificial materials. Such a nail file, you can file away layer after layer of gel on the surface of the nail.
During the removal of the gel before you can get a small problem: due to the appearance of the nail dust you will be hard to see where it starts to the natural nail. To avoid this, you need to periodically dusting brush and wipe the nail plate with a piece of fleece or cotton pad soaked in nail polish remover. So you can clearly see the border as gels and natural nail will get wet differently.
If you can not cut down the entire gel can leave a small amount on the nails. It's much better than the damage own nails. When the procedure is necessary to make their grinding and polishing. Then brush the surface with a special oil for cuticles and apply a strengthened framework.