10 Little-Known Uses for Vicks VapoRub Improve Skin. If you suffer from eczema or acne, one of the top uses for Vicks VapoRub is helping to soothe skin, reduce inflammation, and clear up your complexion. ... Deter Insects. ... Treat an Earache. ... Reduce Stretch Marks. ... Point Pets in the Right Direction. ... Heal Your Feet. ... Fade Bruising. ... Treat Cuts and Scrapes.