You don't know it was applied in a binary fashion. Applying it that way and expecting the chemical reaction to proceed correctly and with enough yield on someo

You don't know it was applied in a binary fashion. Applying it that way and expecting the chemical reaction to proceed correctly and with enough yield on someone's face while applied with two different wipes sounds like a very poor plan. You may only need 10 mg absorbed to kill someone but 10 mg is still a sizeable amount of something.