Article in English: As you're not using conventional nail polish remover, you'll need to let the product sink in. Leave the product resting on your nails for about a minute.  The longer you let the product sit, the better. If you've tried this already, or need stronger remover, soak your nails directly in the solution for 4-5 minutes beforehand, then continue from this step.

Summary in Vietnamese:
Để dung dịch lưu trên móng tay khoảng 1 phút.