Hope that clots of skin tissue themselves disappear, "disperse" and will not come back again, of course, you can. But this is not always justified. However, there are not so many cases when even a large number of warts disappeared from the skin without any treatment.
This fact is a medical explanation. At some point, the human immunity so intensified that it was able to overcome the virus of the papilloma by itself. It can have a powerful health effect, taking drugs that increase immunity, or a balanced vitamin complex.
To some extent, provocative to increase interferon, which affects the strengthening of immunity, in the human body can be common ARIs, when the body successfully fights the virus of the flu, "at the same time" getting rid of the papilloma virus.