How to use gel paint as gel nail polish Step 1 : Prepare your nails. Step 2 : Apply a base coat and cure it. Step 3 : Apply the first layer of gel paint and cure it. Step 4 : Apply the second layer of gel paint and cure it. Step 5 : Apply the top coat and cure it. Step 6 : Finish. How to use gel paint Step 1 : Prepare your nails.Step 2 : Apply a base coat and cure it.Step 3 : Apply a layer of thin color gel polish and cure it.Step 4 : Dip a drawing pen in gel painting and paint on your nails, cure it.Step 5 : Apply the top coat to the light for 60-120s.Step 6 : Finish.