Sandymere your always the sceptic The NHS do not use or have stopped using quite a few things does that say these things are no good or do not work
Take hydrogen peroxide for example, the NHS stopped its use for wound care, cleansing etc. As long as it is not over used hydrogen peroxide is one of the best wound cleaner's that can be used IMO and I would never be without it in my 1st aid box
Try a magbox and see the results for yourself you maybe surprised