Vaseline is one of the commonly used ingredients in cosmetics and has a good safety profile. Vaseline lip balm is usually not carcinogenic. Vaseline is a semi-solid mixture of hydrocarbons that can be used alone in cosmetics or in the oil phase of cosmetic emulsions due to its strong moisturizing properties. Vaseline forms a barrier on the surface of the skin’s stratum corneum and acts as a moisturizer by reducing the passage of water across the epidermis. Vaseline also protects the skin from damage and reduces sunspot cells, making it one of the key ingredients in sunscreens. Vaseline is less irritating and has a better safety profile. Lip balms with Vaseline as the main ingredient are mainly used on the surface of the skin and are generally not carcinogenic.