This Review Title is Serves multiple uses! and the content is: I bought this to use on my smile direct club aligners for my teeth (lol)!!! The edges are often too rough to wear and a guy on line mentioned that this is helpful to smooth out the edges! I bought it and it’s been very helpful as stated! I don’t use for manicure but I may after I finish with my Invisalign type alingers..There are other information for this review, one is This reviewer did purchase it and the other is 0 people think this review is helpful.