G-Tex care
I find that when i clean my g-tex garments, the DWR is kinda given a new life after a visit to the dryer (not on a hot setting - the garment should have a "care tag" somewhere on it).
I recently re-vitalized my MH Conduit Tempest jacket and my wife's TNF Guide-Lite with the Revivex DWR stuff and it worked beautifully. I basically wash the garment normally (with a low detergent laundry soap) and then run it through one more time with no soap at all. Then spray (i saturate the garment - jacket or pants alike) the garment with the DWR stuff and toss it in the dryer. I use medium heat for about 50 mins and viola'! Nice, new-ish DWR and water beads up like crazy.
Mm