To apply your permanent nail polish, whether you go to an institute or do it at home, here are the steps to follow to take care of your nails: Start by preparing the nails for the application of the varnish: file your nails, clean them and push back the cuticles, as if you were going to apply a classic varnish. Apply a primer to all nails with the first hand then spend 30 seconds to 2 minutes under the lamp. During this time (or after if you are doing the polish alone), do the same with the second hand. Apply a first coat of varnish and go under the lamp, then do the same......