hello! i did the best that i could getting my back- it looks really good! i went again last night and im really happy with it.the girl who works at the gym desk is REALLY white(pasty is the word im looking for) and she did it and looks awesome!! that made me try it. like i said before-try it!just try it a week or so before we cruise, then if you like it, go again! it does not come off in the water, i swam at the gym last week a day or two after the first application and it was still there.