Although I would not recommend breathing it in too much I have never considered sulfur a serious risk. Don't I recall great stockpiles of yellow sulfur sitting in the open on the docks in Vancouver, and elsewhere? Brian Whyer, Buckinghamshire, England, zone ~8? >________________________________ >Well, I hope it's non-toxic. No gloves, mask, etc. I might use one pinch in three or four years, and I wash my hands afterwards.