How to deal with lifting nail polish? Often it's not that the gel is bad, but that the structure thickness wasn't placed correctly.

When it comes to lifting nail polish, I also used to suspect the gel first. After doing it for a long time, I realized that many problems are buried early on: the posterior edge isn't cleaned well, there's still oil on the nail surface, the apex is placed too far forward, or the free edge is wrapped too thinly. You can't tell right after it's done, but after the client washes their hair a few…