There are a variety of liquids that can be used for vaping, including e-liquids, oils, and even some types of alcohol. E-liquids are the most common type of liquid used in vaping, and they come in a wide variety of flavors. Oils can also be used for vaping, but they are not as common as e-liquids. Some types of alcohol can also be used for vaping, but it is important to note that not all types of alcohol are safe to vape.