please be careful with swf. you cant mess with it like cheating on your fast or you may get a bowel obstruction, very dangerous and unpleasant it happened to me. enemas are much safer in my opinion especially if you are prone to slipping up.
what is your aim with cleansing, if i can ask? is it to cure constipation? if so, there is much easier, more pleasant and cheaper methods you can try, no cramping, no inconvenience and more important no putting toxins in your body whether it be herbs, medications or whatever.
my post about this is here and another after.
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