The main active ingredients in Carmex lip balm are camphor and menthol, according to DailyMed. These external analgesics aid in the relief of dry, chapped lips and cold sores. Petrolatum and lanolin are the two major inactive and most prevalent ingredients, states Carma Labs, Inc.Continue Reading
Camphor is made by distilling the bark and wood of the camphor tree or it is chemically manufactured from turpentine oil, explains WebMD. It serves as a topical anesthetic to relieve pain and itching, and relieves cough when vapors are inhaled. It is also an active ingredient in Vick's VapoRub.
Menthol is made naturally from mint or peppermint oil or made synthetically, notes PubChem. Menthol contributes to the tingling feeling experienced by users when they apply Carmex lip balm. Petrolatum and lanolin create a water-resistant barrier that holds in moisture to aid the healing process of dry or sore lips, according to Carma Labs. Carmex also contains the inactive ingredients cacao butter, mineral oil, beeswax, salicylic acid and phenol.
Carmex's product has essentially remained the same since it was first formulated by Alfred Woelbing in 1937. There are slight variations in ingredients between the Carmex jars, sticks and squeezable tubes to achieve different textures and consistencies, states Carma Labs. Some lip balms contain SPF for sun protection and come in different flavors.Learn more about Medications & Vitamins