No, you had better not to do that. As we all known, costume contact lenses is a kind of non-prescription lenses that are mainly used for special occasions like moive, opera. In general, this kind of lens are colorful except the center is clear due to it is used for decorating eyes, not for correcting visiion. The lenses are directly touching your retina, thus they are suitable for wearing for a certain of period. Otherwise, the color on the surface of lenses would cause eye infection or irritation. That is to say, the costume contact lenses are not suitable for repeating usage.