What do you use vodka for? While your answer may be predictable, did you know that this beverage has many other useful applications? You can clean your glasses - just wipe them with a soft cloth dampened with vodka. You can also enhance the action of your shampoo: add a splash of vodka to the bottle and the alcohol will cleanse your scalp, remove toxins from your hair and stimulate its growth. Washing your feet with vodka will help you cure foot odor.