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Additional recommended knowledge
Lip balm or lip salve is a substance topically applied to the lips of the mouth to relieve chapped or dry lips, angular cheilitis or stomatitis, and cold sores. Lip gloss is similar in the fact that it is topically applied to the lips of the mouth, but generally has only cosmetic properties. The balm is usually manufactured from beeswax, petroleum jelly, menthol, camphor, scented oils, and various other ingredients. Some manufacturers also add vitamins, alum, salicylic acid, or aspirin. Most lip balms also contain octinoxate, avobenzone, and/or other sunscreens to minimize sun damage.
The primary purpose of Lip Balm is to provide an occlusive layer on the lip surface to seal moisture in lips and protect them from external exposure. Dry air, cold temperatures and wind all have a drying effect on skin by drawing moisture away from the body. Lips are particularly vulnerable because the skin is so thin, and thus they are often the first to present signs of dryness. The occlusives materials like waxes and petroleum jelly prevent moisture loss and maintain lip comfort while flavorants, colorants, sunscreens and various medicaments can provide additional, specific benefits.
Lip balm usually comes in small containers; either one in which a finger is used to apply it to the lips, or in 'stick' form (similar to lipstick) which is applied directly to the lips.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Lip_balm". A list of authors is available in Wikipedia.|