How do you know the benefit isn't just from the DMSO? Have you tried DMSO alone?
I can see there may be benefit to sterilising the skin first though you would need little Miracle-Mineral-Supplement to do that.
I know that SSKI (potassium iodide) has been used transdermally with DMSO as well and also Lugols so that would be my preference. Also may be more effective with the lymph problem
I don't know how Miracle-Mineral-Supplement would affect lymph apart froom sterilisation. SSKI may be better at relieving congestion by thinning lymph and it kills bacteria also.
Have you tried dry skin brushing, any exercise methods, qigong is my favorite,
look up qigong "standing pole/post" or "zhan zhuang" it's a great method for increasing leg circulation, (also known as tai chi three circle stance)