I`d be very very wary of using anything like washing-up liquid on a system ... it might affect the knots at the very least. I`m surprised you have no glue solvents..you need them ..they are essential in any wearers `armoury` . I find when I use lace -release, the lace releases very easily from the glue and there`s hardly any residue on the lace...it`s all on the scalp. I`m using Tracksafe --maybe it`s just the way Tracksafe `behaves`compared to other adhesives, but I`m not totally sure, as I haven`t used other glues as yet. Paul.