Each bottle can be up to 75 to 100 applications. Encourage proper handwashing techniques with the original Glo Germ formula, an oil based liquid. Glows bright orange under UV light.
Examine proper handwashing techniques. To do this, put the oil or lotion on your hands, spreading thousands of tiny, plastic, fluorescent germs, and then wash your hands. Then you check for remaining germs using the ultra-violet lamp. Any remaining germs will glow brightly for all to see.