The label on the F10SC is pretty scary. I treat it carefully when it's in concentrated form. Careful to rinse items that come in contact with it, including my hands, quickly. When it's diluted at recommended amounts 1:250 - 1:500 it's pretty safe from what I understand. I use a syringe to draw the concentrate and put it in a spray bottle. Close the cap, rinse the bottle, rinse the syringe, and wash my hands.