No, epilating doesn't cause ingrown hairs at all. Instead, it prevents the growth of ingrown hair as an epilator only pull out hairs from the root than the dermis. So, this technique doesn't cause ingrown hair. However, lousy quality epilators can cause ingrown hairs. Choosing a high-quality epilator is always necessary to prevent ingrown hairs. Also, make sure to taut the skin before using an epilator. This technique is among the list of correct usage.