Cosmetic grade of white oil is used in petroleum jelly, cold creams, hair oil and chlorinated paraffin wax. F liquid paraffin listed as one of the ingredients in a cream or lotion can be confusing for some peoples . Because paraffin is a product that is commonly used to make candles, which does not have anything to do with skin care. Deeper look at liquid paraffin will reveal that this common personal care ingredient is used in many skin products, including creams, lotions, lip balm, soap, and even eczema ointments. But what does liquid paraffin do, and more importantly, is it safe to use on the skin? To better understand this ingredient, lets take a deeper look atits role in skin care and the possible side effects it can induce.