diatomaceous earth

jmd

“When you get oil/grease on your clothes, this stuff works wonders. Just pile it on the spot, leave it overnight, and brush it off in the morning—voilà, no stain. (I’m not sure whether it works on old stains that have already set—probably not?—but it definitely works on new ones where you got oil on yourself and need a way to take care of it.)”

Eric F

“Used in the past for fleas. Just don’t breathe it in and avoid non-pests. Otherwise, good stuff.”