Yes, you can add 40 Vol to your prespray to aid in brightening whites and colors as well as helping remove pet and drink spots.
It can be left behind on 5th and 6th generation nylons as well as Polys and Olefins to remove stubborn organic pet and drink stains
It a great "lube" for Fels Naptha , pre wet the carpet and rub the Fels bar on it to remove spots your pre spray didn't
Cures cancer and cleans your counter
tops as well.