Are you sure they're warts then? Most likely it does take a longer period, also depending how long the warts have been under the skin for. Just because this is a strong cream, doesn't mean its gonna make them drop off at the snap of your fingers. The virus and cells are way below the wart and what the cream will do is take the top layer of the skin off step by step, so you need to be patient. Also, make sure you change your towel and clothing regularly because warts spread and anyone else can catch them.