Strong bonded coats protect nails from chipping and cracking. Can be used on artificial nails. Lasts 2-3 weeks without chipping and smudging. Simple and easy removal process within minutes. Permanently shiny and non yellowing. 1 of 5 steps. Step 1 bonder, Step 2 base/top coat, Step 3 coler, Step 4 base/top coat, Step 5 cleanser. Need UV lamp.