Moisture in Headlights: Reasons and Quick Solutions Moisture in headlights is a common problem that occurs when condensation forms inside the headlight lens. This can happen due to a variety of reasons, such as temperature changes, humidity, or a damaged or poorly sealed headlight assembly. Moisture in headlights can be frustrating because it can cause reduced visibility and potentially damage the headlight assembly over time. know more about Moisture in Headlights at https://oemusedcarpart.com/headlights/moisture-in-headlights/