Poor Low Beam Headlight Performance

[Ross321]

I've replaced both low and high beam headlight bulbs in my RX330.  The high beams are fantastic.  Low beams are pathetic. 

I've tried 3 different brands of bulbs, and both LED and HID.  They have all been poor.  I'm wondering if maybe the lens over the low beams might be fogged?  Since it's not clear glass, it's difficult to say...  I was wondering if there is a known issue with the RX330 low beams?  If anyone else has experienced this, and can share their thoughts or ideally their solution? 

[user800]

The outer headlight glass is actually plastic that tends to turn yellow with age and UV exposure, reducing the amount of light that goes through them. I bought a headlight restoration kit for my RX330 that basically removes the yellow hazing and polishes the lens so that it becomes perfectly clear, almost like a brand new headlight.