You sir are not only a genius, you are my hero, the way you are showing concern for the health of your wife's skin!To answer the OP I normally shower after shaving so rub any excess lather into my face, scalp, and body before doing so as the lather contains many ingredients which are beneficial to the skin. If my wife is about to have a shower then I rub the excess lather into her body whilst explaining that it is for her benefit