condensation in headlight

as title. since washing my meg yesterday with a pressure wash the passenger side headland has been steamed up all day! never done this before after a wash. can't see any obvious cracks or broken seals. is thisssomething i should raise under warranty? will the moisture disperse over a few days? looks a mess and is really irritating! any help or reassurance welcome!
 
When my 182 did this I noticed that one of the rubber covers on the back had fallen off :/

If it doesn't clear up, pop a little bag of silica in between the back bulb fixing and the rubber cover. Those little white bags that come in shoe to keep the dry.
 
Mine did this, once. It lasted about a week or so and hasn't been seen since (this was a couple of years ago) weird. I'd give it a little bit of time, I also drove EVERYWHERE with my lights on too to give it some heat.