For me, it's not just the dust, it's the organic vapors. HF sells a soft neoprene mask with a carbon filter, it's very soft and has a very wide seal, so it puts very little pressure on your sinuses and temples. I have to limit my cutting sessions to 30 minutes or... pain. There are times I can't cut because of the sinus tenderness . I have high blood pressure so I have to be careful what I take. I recently tried the sinus/allergy medicine for high blood pressure patients, Coriceden, and it is working well for me so far.