Have you ever looked at the ingredients list on a store-bought chest rub? • When you’re congested, bleary-eyed, and feeling like death warmed over, reading ingredients is not high on the priority list, but it’s also not comforting to find out that you just rubbed a thick soup of petroleum products onto your skin in order to give your respiratory passages some relief. • The classic over-the-counter chest rubs are often less than 10% herbal ingredients, and approximately 90% petrolatum in the form