There are various types of epilators available in market, with the main ones being wet and dry. As the names suggest, wet epilators are to be used on wet hair, while dry epilators work on dry hair. You may choose any of these as per your preference. The wet ones are believed to cause less pain as you can use them while having a shower. Wet skin is more relaxed and desensitized, as a result you experience little pain. If you are new to epilators, it is best to invest in a small, cheap one and check how it works for you. Later, you may go for an expensive one with several features.