I use a dry steam machine, a bit costly at £800, but use it for kitchen and batroom cleaning to.
Thoroughly dry vac curtains, light mist with microsplitters ( i use m power to great effect) any will do, attatch terry towel to steamer, start at top and drag down, good results, £40-£80 / pair depending on size. Takes about 20-30 min, so a good add on when selling up.
All subject to a test.
Andrew.