How Does Vicks VapoRub Work?  Vicks contains menthol, eucalyptus oil, and camphor, which create a cooling sensation that soothes congestion and minor pains. Some believe applying it to the soles allows absorption through nerve endings, though research is lacking. Benefits of Applying Vicks VapoRub on Feet, Cold Symptom Relief: Some report reduced coughing when applied to soles and covered with socks, though not scientifically proven. Consult a pediatrician before use on children. Softening Dry Heels: Ingredients like petrolatum lock in moisture. Overnight application with socks enhances results. Fighting Toenail Fungus: Thymol has mild antifungal properties. Daily application may help, but severe infections need medical attention. Relieving Muscle Aches: Menthol and camphor provide a cooling effect and may ease soreness when massaged into feet. Other Uses Repelling Mosquitoes: The menthol scent deters mosquitoes when applied to exposed skin. Reducing Bruises & Swelling: Eucalyptus and menthol promote circulation, helping bruises fade faster. Aiding Pet Training: The strong odor discourages pets from chewing or scratching furniture. Calming Earaches: Applying near (not inside) the ear may provide mild relief. Easing Headaches: Rubbing on temples creates a cooling sensation that may relieve tension