great product worth the price [SEP] nail polish last for weeks but i also use chima glaze strong adhesion base coat to help nail polish adhere after a week or every days apply another top coat the keep the polish from chipping and scratches when i use red colors it does not stain my nails i do not like the chima glaze top dry nail dryer coat to dry fast nail dryer my nails i use seche vite it dries quicker and harder no lines or sheet marks both nail dryers have a tiny bit of shrinkage seche vite has less