You can make your own for much cheaper; fuck capitalism.

IIRC all it is is a bit of dish soap watered down and a dash of Isopropyl alcohol. I picked up a gallon jug of Isopropyl online specifically for refilling our powerwash bottle.

yup here’s wikihow

• 4 tbsp dishsoap (concentrated since dawn brand is)
• 2 tbsp rubbing alcohol
• top the bottle with water and shake.

Edit: bonus is drastically cutting the plastic waste that comes with powerwash refills