with a little prep it works [SEP] first you have to remove the top layer of gel polish with a nail file then apply to the nail only it is thick so it stays on let it sit for sit for at least full minutes the polish will start to crack then you can peel or scrape it off you may need to reapply to the areas of stubborn polish that will not budge try not to apply to skin or bare nail directly if working on yourself do one hand at a time so you do not get it on your skini like to use it to get rid of most of the polish before going back to the salonit does not work perfectly but i prefer it to soaking my hands in acetone