Endeavour forums helped when I upgraded during the 24 hours when Arch removed Amdgpu firmware. It did kind of make me wonder how many issues like that were present but that I’ve just dodged by random upgrade timing.

The SDS will be for the oil itself, not at the final concentration used in the shampoo or whatever.

Are you sure the final product is at a toxic concentration? Probably the detergent itself is more dangerous as used. That’s just a guess though.