It may also contain acacia, glycerin, castor oil and white petrolatum. Its products are derived from botanicals free of parabens, phthalates, petrolatum, sulfates and chemical sunscreens. Ingredients commonly include camphor, beeswax, menthol, petrolatum, phenol, vitamin E, aloe and oxybenzone. White petrolatum, the ingredient in petroleum jelly Vaseline, is refined from petroleum. Petrolatum (White Soft Paraffin) is probably the most effective emollient. Petrolatum, dimethyl sulfoxide and mineral oil are common vehicles. They contain white petrolatum, mineral oil, and similar lubricants. Petroleum jelly - a semi-solid hydrocarbon C15H15N, called petrolatum, chemical name 1,1,2-Trimethylbenzeindole, has semisolid properties. Petrolatum and mineral oil are common vehicles. Microcrystalline wax is also a key component in the manufacture of petrolatum. However, if the wound is sterile, then there are no benefits compared to petrolatum (placebo). Liberal application of petrolatum is needed multiple times a day. As an alternative, hybrid petrolatum can be used. Patch tests showed a strong positive reaction from a 5% SSL in petrolatum solution.