If there’s a lot of glue around the cap, you may need to leave it in the water for longer or try another option. You can also try adding a few drops of dish soap or 1 tablespoon (15 mL) of white vinegar to the water. [2] X Research source Make sure to wash the cup or bowl and utensil thoroughly before using them for food after you do this.
Make sure that the nail polish remover contains acetone as this is the active ingredient that will dissolve the glue.
You may also check the manufacturer’s website for information on how to properly open the nail glue.
Some nail glue products come with a lid that will puncture the top for you when you screw it on and this special lid will also keep the glue from drying out. [6] X Research source
Discard the tip that you cut off and place the cap on the nail glue tube to keep the glue from leaking or drying out. This is not ideal for some types of nail glue containers since cutting off the tip can make a large opening in the nail glue. However, if the nail glue container indicates that you need to cut the tip off to open it, you can try this option.