Originally Posted by Turb0Surge
Nope. I once had an entire fenderliner missing. That's not why your headlight is leaking. It's much more likely that the headlight is damaged lightly in some way where water can get through.
I was using a pressure washer from self car wash and cleaning wheel well. So maybe that makes a difference? It only happens on carwash and not in rain, from my experience so far.
Also the headlight was replaced before, so maybe the part is under warranty?