Tháo móng giả cũ hoặc xóa lớp sơn cũ.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
You'll need to take off your old polish, even if it's clear, in order to apply fake nails. Having old polish on your nails will make it harder for the fake nails to stick. They'll end up falling off in a day or two unless you take this necessary step.  If you're already wearing fake nails, either acrylics or gels, go ahead and remove them. You can use acetone or another method to do the job. Wash your hands after using acetone or another polish remover. The chemicals used in nail polish remover