As for Chanel, four of 10 home-use panelists said it chipped the day they applied it. And Nutra Nail gel polish was poor, despite its claim of “ding-free protection.” Seven of 10 home-use panelists said it chipped the day they put it on. It was hard to apply, taking three coats of “activator” and two coats of gel color. And it had a bothersome aroma (“I would never apply this inside again,” said one panelist).