Shake well before use.
Apply your favorite base coat, for example the NAILS.INC Speedy Base Coat.
If you want a colored base under the nail design, apply 2 coats of NAILS.INC color polish.
Press down and hold the tip of the pen applicator to activate the polish.
Now you can apply the desired nail design with the pen.
Seal the color with a layer of top coat, for example the NAILS.INC Treatment Better On Top Quick Drying.
If you make a mistake, it can be easily corrected with nail polish remover.